[MASSEMBLY-638] Support tgz and tbz2 format

Patch by Sergei Ivanov, slight adaptations to trunk by me

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1630554 13f79535-47bb-0310-9956-ffa450edef68
Cleaned up code-style issues

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1630562 13f79535-47bb-0310-9956-ffa450edef68
Added note about useJvmChmod and java7

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1630563 13f79535-47bb-0310-9956-ffa450edef68
[MASSEMBLY-479] Updated docs about posix tar support

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1630568 13f79535-47bb-0310-9956-ffa450edef68
git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1630574 13f79535-47bb-0310-9956-ffa450edef68
- Undone the commit r1630358 which means to remove
  all LICENSE/NOTICE files until the ASF is clear about
  what to do.


git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1630593 13f79535-47bb-0310-9956-ffa450edef68