Add About page to footer (#695)

Removed styles from HTML & other minor tweaks

New Bootstrap 3 main layout/refactoring of partials

commented out old styling to make it easier to determine whether boostrap or old css is controlling layout/styling DMPRoadmap/roadmap#573

pulled bootstrap in and updated basic header/footer/main content to use the grid system. Updated static pages, home page and contact us page to use grid system DMPRoadmap/roadmap#552

started implementing new nav bar DMProadmap/roadmap#161

began adding aria tags to fontawesome icons. added alt tags to images. renamed two partials that do not seem to be used DMPRoadmap/roadmap#139

css rewrite

fixed some minor labeling of create account headers and links. updated login/register js so that they stop throwing js errors ...

(cherry picked from commit e91ed14)

resolved cherry-pick conflicts

fixed bug on contact_us page ...

(cherry picked from commit e041a9d)

Replace UC3 -> CDL - fixes #245

views/shared and views/layours converted to gettext_rails

removed commented out code from new branding changes

renamed layout partials to remove reference to dmponline. Updated configurations so that the code default assets are stored in lib/assets and any instance specific versions would be stored within app/assets. Move static page content out of the large locales files and placed examples of them into config/locales/static_pages