update travis-ci config
No need to run 'bundle install' in travis-ci before script
Mention that 'bower install' must be manually run
install bower first (travis-ci)
Use neutraface on event names
Fix @font-face and add Raleway google font

* Fix fonts definition (should be a single identifier)
* Update $title_font to Neutraface
* Update $default_font to Raleway
Alternate event background color

* Remove hr tag between events
* Add light grey background color to even events
Update header/footer/calendar bg color
Add an event wrapper

* Removed unused row and columns classes
* Background colors now alternate on the event wrapper
Simplify event date representation
Merge pull request #101 from jmaupetit/modern-style

Modern style
Build css.
Fix compass watch

listen version must be under 2.7.12 for some reasons...
add class archive on older events
change archiving date
fix css bug
fix watch bug