Update gem show styles

Update dockyard footer outbound link
Firefox search box alignment
Better icons
Remove clippy
Add zeroclipboard
Merge pull request #761 from rubygems/736-ac-gem-detail-update

Update gem show styles
fix latest_version_number helper
update status page links to HTTPS
#750 - New header nav hover styles
Merge pull request #763 from rubygems/750-ac-nav-contrast

Closes #750 - New header nav hover styles
Enable asset pipeline and Autoprefixer
Cleanup stylesheets
Enable assets
Merge pull request #760 from kirs/asset-pipeline

Enable asset pipeline and Autoprefixer #758
fix deploy script for asset pipeline
update deploy config to reflect actual servers
start adding custom metrics
move ZeroClipboard into asset pipeline
fix ZeroClipboard for real
fix js includes
Closes #757 - Remove gem links
Merge pull request #767 from rubygems/757-ac-gem-links

Closes #757 - Remove gem links
Provide some order to the list of gems on your profile
update fog and excon gems