Untabify build.xml

Only non-semantic whitespace fixes
Add git revision in build.xml output files
Add file local variables to build.xml
Updated version for post release

git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/branches/smack_3_4_0@13893 b35dd754-fafc-0310-a699-88a17e54d16e
Cleanup of build.xml's release target

no.test wasn't used in that path anyways, so remove it. And
release-exists will always return true since the release.xml Ant script
is part of the repository.
Fix javadoc Java API link
Format build.xml's checkcode target

Whitespace fix only. No semantic changes
Don't use manager's constructor in connectionCreated

This could cause duplicate managers. Use getInstanceFor()
instead. SMACK-403.