Copy API OSGi tests into trunk

git-svn-id: https://svn.apache.org/repos/asf/directory/shared/trunk@1647028 13f79535-47bb-0310-9956-ffa450edef68
Remove unused PAX dependencies and dummy test

git-svn-id: https://svn.apache.org/repos/asf/directory/shared/trunk@1647031 13f79535-47bb-0310-9956-ffa450edef68
Add integ-osgi module, establish dependency management, downgrade to pax 3.5.0 for Java6 compatibility

git-svn-id: https://svn.apache.org/repos/asf/directory/shared/trunk@1647032 13f79535-47bb-0310-9956-ffa450edef68
Rename variable

git-svn-id: https://svn.apache.org/repos/asf/directory/shared/trunk@1647041 13f79535-47bb-0310-9956-ffa450edef68