Add article about GitLab flow.
Add GitLab Flow to the index.
Fix grammar mistakes, thanks Angus
Fix spelling mistakes, thanks Nico Hamm.
Fix spelling mistakes, thanks Achilleas Pipinellis and Stephan van Leeuwen.
Fixed items mentioned by Achilleas Pipinellis, thanks.
Rewrite this section after suggestion from Achilleas.
Adding image descriptions and links as well as consolidating the link and close issues text.
Four stages.
It's the shell.
Fix problems identified by Achilleas Pipinellis, thanks Achilleas.
Insert at a random point in the changelog to prevent conflicts.
Improve the rebase reasoning.
Add sentence about tools not being able to compensate for changing commit id's.
Add wisdom about reverting a revert merge.
add graphs to git-flow article
add screenshots to gitlab-flow article
update ci mr image with smaller screenshots
Merge branch 'master' into gitlab-flow

Conflicts:
	CONTRIBUTING.md
Merge branch 'gitlab-flow' of gitlab.com:gitlab-org/gitlab-ce into gitlab-flow