[ADD] gitlab connector added
[twgit] Init release 'release-1.15.0'.
Merge pull request #145 from kmarques/feature-gitlab

#145 Add gitlab connector
[twgit] Init feature 'feature-146'.
Merge branch 'release-1.15.0' into feature-146
#146 Add curl as failover of wget for connectors
#146 Add tests + change doc
#146 Add python support for gitlab connector
[twgit] Init feature 'feature-125'.
#125 Add command twgit feature merge-into-hotfix + add feature list with command twgit hotfix list
#125 Fix some tests/commands for OS X
#125 Change example git url
#125 Remove debug message
Merge branch 'feature-146' into release-1.15.0
Merge branch 'feature-125' into release-1.15.0
Update CHANGELOG.md
Merge branch 'release-1.15.0' into stable