[MASEMBLY-317] Test project added

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1639378 13f79535-47bb-0310-9956-ffa450edef68
[MASSEMBLY-702] Added docs on default file/dir modes

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1639379 13f79535-47bb-0310-9956-ffa450edef68
Removed typo

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1639390 13f79535-47bb-0310-9956-ffa450edef68
Added note about setting this in the goal

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1639393 13f79535-47bb-0310-9956-ffa450edef68