remove unneeded Relation#all from Repository::Mercurial#latest_changesets
remove trailing white-spaces from RepositoryTest
code format cleanup RepositoryTest
Rails4: replace deprecated find_all_by_* at ProjectTest
Rails4: replace deprecated find_all_by_* at RepositoryTest
Rails4: replace deprecated Relation#update_all at RepositoryTest
remove unneeded Relation#all from ProjectTest#test_destroy
Rails4: replace deprecated Relation#update_all at QueryTest
Rails4: replace deprecated Relation#update_all at ProjectTest
Rails4: replace deprecated Relation#update_all at WatcherTest