Update compiling instructions

Author: rcx

.gitignore

@@ -9,3 +9,4 @@ dependency-reduced-pom.xml
 
 libs/**.jar
 libs/*.jar
+libs/org

compiling.md

@@ -4,10 +4,9 @@
  - [CFR](http://www.benf.org/other/cfr/)
 
 You will need to acquire jars of these to proceed. Then, you must add these to a mvn local repository.
-So:
+So (in the project root directory):
 ```
-mkdir libs
-mvn install:install-file -Dfile=path-to\cfr.jar -DgroupId=org.benf -DartifactId=cfr -Dversion=<version> -Dpackaging=jar
+mvn install:install-file -Dfile=path-to\cfr.jar -DgroupId=org.benf -DartifactId=cfr -Dversion=<version> -Dpackaging=jar -DlocalRepositoryPath=libs
 ```
 For example, the version of CFR might be 0.121, depending on `pom.xml`. Note that you will need to replace <version> with whatever version is specified in `pom.xml`.
 Optionally, you can use `-DlocalRepositoryPath=path-to-specific-local-repo` to specify a specific location to store the local repository.

pom.xml

@@ -147,4 +147,4 @@
             <version>0.5.32</version>
         </dependency>
     </dependencies>
-</project>
+</project>