Changed a few buttons to use Bootstrap styling
Fixed an incorrect i18n string reference
Switched curriculum show and edit views to use Bootstrap table styling
Improved curriculum show and edit views' display of course names

If a course in the listing does not have a course name translation
for the current locale, then a name for some other locale is used
instead.
Improved buttons in curriculum edit view

Moved a few buttons to a better location, and improved the styling
of some of the buttons.
Changed curriculums index view content span width from 4 to 8

The listing on the index view requires more horizontal space than
what span4 offers.
Added a media query to hide full-length program name on smaller displays
Merged skillEditor help message additions into master
Fixed one missing localized string in skillEditor