Adds transitions to module hovers.
Adds toggleable nav to other templates.
Merge pull request #152 from theodi/ODI-Fork

Hero Image Changed
IE6 fixes for main nav, footer, and transparent PNGs in IMG tags.
Adds checks so incompatible JS won't load in old IEs.
Removes respond.js from IE6, compensates for resulting broken styles.
More IE6 fixes for other templates.
Moves hero labels to top, as IE6 won't show them at bottom.
Move header JS around
Add collapsable navbar
Add ie6 styling
Tidy up JS
Smooth out colour changes on the blocks' hovers
Merge pull request #153 from theodi/feature-nav-updates

Feature nav updates
Precompile the right asset this time
Merge pull request #154 from theodi/bugfix-asset-pipeline

Precompile the right asset this time
Add initializer for Jenkins
Merge pull request #155 from theodi/feature-asset-precompile-in-jenkins

Check for precompiled assets in Jenkins
Add modal to nav
Add modal javascript