* master: (98 commits)
Enable Style/EmptyLines cop, remove redundant ones
Update CHANGELOG
Cache results from jQuery selectors to retrieve namespace name
Fix import button when import fail due the namespace already been taken
Fix snippets comments not displayed
Fix emoji paths in relative root configurations
Exclude requesters from Project#members, Group#members and User#members
Upgrade Thin from 1.6.1 to 1.7.0.
Many squashed commits
Cache autocomplete results
Upgrade Sidekiq from 4.1.2 to 4.1.4.
Upgrade seed-fu from 2.3.5 to 2.3.6
use has_many relationship with events
Support creating a todo on issuables via API
Expose target, filter by state as string
Add todos API documentation and changelog
Improve the request / withdraw access button
Metrics for Rouge::Plugins::Redcarpet and Rouge::Formatters::HTMLGitlab
Groundwork for Kerberos SPNEGO (EE feature)
Update CHANGELOG 8.9.5 for runners related fixes
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