When stopped correctly there should be no warning about a missing socket file.
Make the installation guide easier to follow for non-unix people.
add db index for authentication_token column in users table
Fix spelling error and make sure you never log in as git user so you never have to logout to run sudo.
Merge branch 'master' into install-guide-improvements

Conflicts:
	doc/install/installation.md
Merge branch 'install-guide-improvements' of /home/git/repositories/gitlab/gitlabhq
Merge pull request #3408 from NARKOZ/patch-2

add db index for authentication_token column in users table
Fix wrong file versions in update docs
Merge pull request #4385 from Razer6/fix_update_docs_for_master

Fix wrong file versions in update docs (5.2 to 5.3)