NullPointerException when including a reasonable looking dependency

[martin-cowie]

This dependency breaks mvndar

<dependency>
  <groupId>org.apache.commons</groupId>
  <artifactId>commons-io</artifactId>
  <version>1.3.2</version>
</dependency>

this one does not

<dependency>
  <groupId>commons-io</groupId>
  <artifactId>commons-io</artifactId>
  <version>1.3.2</version>
</dependency>

mvn clean install gets an exception with this trace

Caused by: java.lang.NullPointerException
    at
com.pushtechnology.mvndar.AddDependenciesTask.perform(AddDependenciesTask.java:59)
    at com.pushtechnology.mvndar.DARMojo.execute(DARMojo.java:179)
    ... 21 more

Random!

[philipa]

Not random.

https://issues.sonatype.org/browse/MVNCENTRAL-244

I'll fix mvndar to avoid the NPE.