- Added .gitignore

git-svn-id: https://svn.codehaus.org/mojo/trunk/mojo/jdepend-maven-plugin@19468 52ab4f32-60fc-0310-b215-8acea882cd1b
[MJDEPEND-6]
  - Added missing extraArtifacts for integration tests
  - Added it/setup project
    - Added plugin definition in it/setup
    - Added handling of maven2/maven3

git-svn-id: https://svn.codehaus.org/mojo/trunk/mojo/jdepend-maven-plugin@19471 52ab4f32-60fc-0310-b215-8acea882cd1b