KSENROLL-14743 Updates to the manual impex process and unit test scripts
KSENROLL-14743 Merge development into pull request and set pom versions

After the pull request branch has been checked out we will merge
the current development into it and also change the pom versions from
-SNAPSHOT to -pull-request-X versions.
KSENROLL-14743 Add -Pskip-all-wars to unit test and manual impex invocations