* Change tests to make it possible to run TestGit with 1.7.2
* Make merge run on 1.7.2
* Fix tracking and staging branch name problem
* Ensure that git 1.7.2 works on tests
* ensure that there is no chance for conflicts
* Fix-up missing merge issues
* Final rm
* Ensure LFS filters run on the tests
* Do not sign commits from temp repo
* Apply suggestions from code review
* Update modules/repofiles/temp_repo.go
* Fix#6946 by checking PullRequest ID on pushing
* Ensure we have the owner name, the pr attributes and the the issue
* Fix TestSearchRepo by waiting till indexing is done
* Update integrations/repo_search_test.go
* changes as per @mrsdizzie
* missing comma
* Spelling mistake
* Fix full pushing environment
On merge we walk the merge history and ensure that all lfs objects pointed to in
the history are added to the base repository. This switches from relying on having git-lfs installed on the server, (and in fact .gitattributes being correctly installed.)