Improve documentation

Closes gh-2553

Author: izeye

spring-boot-docs/src/main/asciidoc/appendix-application-properties.adoc

@@ -96,6 +96,7 @@ content into your application; rather pick only the properties that you need.
 	spring.mvc.ignore-default-model-on-redirect=true # If the the content of the "default" model should be ignored redirects
 	spring.view.prefix= # MVC view prefix
 	spring.view.suffix= # ... and suffix
+	spring.favicon.enabled=true
 
 	# SPRING RESOURCES HANDLING ({sc-spring-boot-autoconfigure}/web/ResourceProperties.{sc-ext}[ResourceProperties])
 	spring.resources.cache-period= # cache timeouts in headers sent to browser

spring-boot-docs/src/main/asciidoc/howto.adoc

@@ -344,7 +344,7 @@ and mark it as disabled. For example:
 
 [source,java,indent=0,subs="verbatim,quotes,attributes"]
 ----
-	Bean
+	@Bean
 	public FilterRegistrationBean registration(MyFilter filter) {
 		FilterRegistrationBean registration = new FilterRegistrationBean(filter);
 		registration.setEnabled(false);

spring-boot-docs/src/main/asciidoc/production-ready-features.adoc

@@ -12,7 +12,7 @@ Auditing, health and metrics gathering can be automatically applied to your appl
 
 
 [[production-ready-enabling]]
-== Enabling production-ready features.
+== Enabling production-ready features
 The {github-code}/spring-boot-actuator[`spring-boot-actuator`] module provides all of
 Spring Boot's production-ready features. The simplest way to enable the features is to add
 a dependency to the `spring-boot-starter-actuator` '`Starter POM`'.

spring-boot-docs/src/main/asciidoc/spring-boot-features.adoc

@@ -901,7 +901,7 @@ Depending on your logging system, the following files will be loaded:
 |Logging System |Customization
 
 |Logback
-|`logback.xml`
+|`logback.xml` or `logback.groovy`
 
 |Log4j
 |`log4j.properties` or `log4j.xml`
@@ -936,7 +936,7 @@ To help with the customization some other properties are transferred from the Sp
 All the logging systems supported can consult System properties when parsing their
 configuration files.  See the default configurations in `spring-boot.jar` for examples.
 
-WARNING: There are know classloading issues with Java Util Logging that cause problems
+WARNING: There are known classloading issues with Java Util Logging that cause problems
 when running from an '`executable jar`'. We recommend that you avoid it if at all
 possible.
 
@@ -1004,7 +1004,7 @@ The auto-configuration adds the following features on top of Spring's defaults:
 * Support for serving static resources, including support for WebJars (see below).
 * Automatic registration of `Converter`, `GenericConverter`, `Formatter` beans.
 * Support for `HttpMessageConverters` (see below).
-* Automatic registration of `MessageCodeResolver` (see below)
+* Automatic registration of `MessageCodesResolver` (see below).
 * Static `index.html` support.
 * Custom `Favicon` support.
 
@@ -1358,7 +1358,7 @@ If the above customization techniques are too limited, you can register the
 		TomcatEmbeddedServletContainerFactory factory = new TomcatEmbeddedServletContainerFactory();
 		factory.setPort(9000);
 		factory.setSessionTimeout(10, TimeUnit.MINUTES);
-		factory.addErrorPages(new ErrorPage(HttpStatus.NOT_FOUND, "/notfound.html");
+		factory.addErrorPages(new ErrorPage(HttpStatus.NOT_FOUND, "/notfound.html"));
 		return factory;
 	}
 ----
@@ -1516,9 +1516,9 @@ Production database connections can also be auto-configured using a pooling
 
 * We prefer the Tomcat pooling `DataSource` for its performance and concurrency, so if
   that is available we always choose it.
-* If HikariCP is available we will use it
+* If HikariCP is available we will use it.
 * If Commons DBCP is available we will use it, but we don't recommend it in production.
-* Lastly, if Commons DBCP2 is available we will use it
+* Lastly, if Commons DBCP2 is available we will use it.
 
 If you use the `spring-boot-starter-jdbc` or `spring-boot-starter-data-jpa`
 '`starter POMs`' you will automatically get a dependency to `tomcat-jdbc`.
@@ -1607,7 +1607,7 @@ relational databases. The `spring-boot-starter-data-jpa` POM provides a quick wa
 started. It provides the following key dependencies:
 
 * Hibernate -- One of the most popular JPA implementations.
-* Spring Data JPA -- Makes it easy to easily implement JPA-based repositories.
+* Spring Data JPA -- Makes it easy to implement JPA-based repositories.
 * Spring ORMs -- Core ORM support from the Spring Framework.
 
 TIP: We won't go into too many details of JPA or Spring Data here. You can follow the
@@ -1812,7 +1812,7 @@ pooled connection factory by default.
 === MongoDB
 http://www.mongodb.com/[MongoDB] is an open-source NoSQL document database that uses a
 JSON-like schema instead of traditional table-based relational data. Spring Boot offers
-several conveniences for working with MongoDB, including the The
+several conveniences for working with MongoDB, including the
 `spring-boot-starter-data-mongodb` '`Starter POM`'.
 
 
@@ -1826,7 +1826,7 @@ using the URL `mongodb://localhost/test`:
 [source,java,indent=0]
 ----
 	import org.springframework.data.mongodb.MongoDbFactory;
-	import import com.mongodb.DB;
+	import com.mongodb.DB;
 
 	@Component
 	public class MyBean {
@@ -1864,7 +1864,7 @@ could simply delete this line from the sample above.
 TIP: If you aren't using Spring Data Mongo you can inject `com.mongodb.Mongo` beans
 instead of using `MongoDbFactory`.
 
-You can also declare your own `MongoDbFactory` or `Mongo` `@Beans` if you want to take
+You can also declare your own `MongoDbFactory` or `Mongo` bean if you want to take
 complete control of establishing the MongoDB connection.
 
 
@@ -2084,7 +2084,7 @@ available on the classpath. If the broker is present, an embedded broker is star
 configured automatically (unless the mode property has been explicitly set). The supported
 modes are: `embedded` (to make explicit that an embedded broker is required and should
 lead to an error if the broker is not available in the classpath), and `native` to
-connect to a broker using the the `netty` transport protocol. When the latter is
+connect to a broker using the `netty` transport protocol. When the latter is
 configured, Spring Boot configures a `ConnectionFactory` connecting to a broker running
 on the local machine with the default settings.
 

spring-boot-docs/src/main/asciidoc/using-spring-boot.adoc

@@ -44,7 +44,7 @@ defaults. The parent project provides the following features:
   http://maven.apache.org/plugins/maven-shade-plugin/[shade]).
 * Sensible resource filtering for `application.properties` and `application.yml`
 
-On the last point: since the default config files files accept
+On the last point: since the default config files accept
 Spring style placeholders (`${...}`) the Maven filtering is changed to
 use `@..@` placeholders (you can override that with a Maven property
 `resource.delimiter`).
@@ -259,10 +259,10 @@ and Hibernate.
 |Support for the Apache Solr search platform, including `spring-data-solr`.
 
 |`spring-boot-starter-freemarker`
-|Support for the FreeMarker templating engine
+|Support for the FreeMarker templating engine.
 
 |`spring-boot-starter-groovy-templates`
-|Support for the Groovy templating engine
+|Support for the Groovy templating engine.
 
 |`spring-boot-starter-hateoas`
 |Support for HATEOAS-based RESTful services via `spring-hateoas`.
@@ -289,7 +289,7 @@ and Hibernate.
 |Support for `javax.mail`.
 
 |`spring-boot-starter-mobile`
-|Support for `spring-mobile`
+|Support for `spring-mobile`.
 
 |`spring-boot-starter-mustache`
 |Support for the Mustache templating engine.
@@ -317,7 +317,7 @@ and Hibernate.
 |Support for the Thymeleaf templating engine, including integration with Spring.
 
 |`spring-boot-starter-velocity`
-|Support for the Velocity templating engine
+|Support for the Velocity templating engine.
 
 |`spring-boot-starter-web`
 |Support for full-stack web development, including Tomcat and `spring-webmvc`.
@@ -326,7 +326,7 @@ and Hibernate.
 |Support for WebSocket development.
 
 |`spring-boot-starter-ws`
-|Support for Spring Web Services
+|Support for Spring Web Services.
 |===
 
 In addition to the application starters, the following starters can be used to
@@ -351,10 +351,10 @@ swap specific technical facets.
 | Name | Description
 
 |`spring-boot-starter-jetty`
-|Imports the Jetty HTTP engine (to be used as an alternative to Tomcat)
+|Imports the Jetty HTTP engine (to be used as an alternative to Tomcat).
 
 |`spring-boot-starter-log4j`
-|Support the Log4J logging framework
+|Support the Log4J logging framework.
 
 |`spring-boot-starter-logging`
 |Import Spring Boot's default logging framework (Logback).
@@ -363,7 +363,7 @@ swap specific technical facets.
 |Import Spring Boot's default HTTP engine (Tomcat).
 
 |`spring-boot-starter-undertow`
-|Imports the Undertow HTTP engine (to be used as an alternative to Tomcat)
+|Imports the Undertow HTTP engine (to be used as an alternative to Tomcat).
 |===
 
 TIP: For a list of additional community contributed starter POMs, see the