2.2.1 compatibility

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1638706 13f79535-47bb-0310-9956-ffa450edef68
[MASSEMBLY-580] Fix

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1639022 13f79535-47bb-0310-9956-ffa450edef68
[MASSEMBLY-731] Added test project

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1639029 13f79535-47bb-0310-9956-ffa450edef68
[MASSEMBLY-732] Added test project

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1639035 13f79535-47bb-0310-9956-ffa450edef68
indentation fix

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1639231 13f79535-47bb-0310-9956-ffa450edef68
p-io 2.3.5 and archvier 2.8.3

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1639247 13f79535-47bb-0310-9956-ffa450edef68