Fix for several login issues
Bug #2725: Use host cluster ID in sched authorization
Feature #2694: Translate zone component of ACL rules
Feature #2694: Force ACL rule zone to be the local zone when oned is standalone

This way the import process to a federation is simplified
Add doxygen doc and java output to gitignore file
Feature #2694: Code cleanup
OCA acls for group creation applies to all zones
feature #2371: raise exception and cli error when nokogiri is not installed
bug #2705: install gems with specific version before normal gems
bug #2702: do not initialize client for oneuser login
Enabling zone rename in Sunstone