* master: (22 commits)
static-analysis fix
refactored the hashed repository name
removed 'only once' from the docs
static analysis fix
added changelog
ignore hashed repositories when doing rake gitlab:cleanup:dirs
Update prometheus Gem to fix compilation on centos 6 duo to GCC not recognizing `std=c11` option
Add a feedback mechanism to `package-qa` manual action
Update svg external dependency
Drastically improve project search performance by no longer searching namespace name
Deduplicate protected ref human_access_levels
Fix ProtectedBranch access level validations
Address feedback for AWS Runner autoscale article
Clarify usage of Runner limit and AWS tags
Finish rest of the sections
Finish all sections except docker.machine
Add runners.cache section
Add Runner registration info
Clear up sections
Add skeleton
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