Style checkbox for hiding email in user profile.
Fix clearance test warning
Update rake to version 10.3.2
Merge pull request #685 from arthurnn/remove_warn

Fix clearance test warning
Merge pull request #679 from knappe/master

Style checkbox for hiding email in user profile.
Update code to work with rubygems 2.2.2+
Remove rubygems 1.8.25 from travis
Optimize load_spec