Bamboo 4.4.5 upgrades.
5.1.1 Updates and JGit migration. Removed bamboo.git dependencies.
5.1.1 Updates backmerged:  JGit migration and removed bamboo.git dependencies.
Added more dependencies and resloved null error regarding email occuring in GerritService.
Readme updates for 1.30 release
Branch updates.
Updated version for release, resloved null exception and dependency not found upon save of existing projects.
Readme update for saving existing projects.
Resolved java.lang.NullPointerException at com.atlassian.bamboo.author.AuthorCreatorServiceImpl.createAuthorIfMissingWithoutTransactionCheck
Verification check should be equal to 0, not 1, getVerificationScore() == 0. Added flag to prevent continuous checking of disabled content.
Added support for 5.1.0