Bug 850205 - make submit button prominent

Made the button more visible on the home page, and also added a submit button to the social nav.
Bug 845433 - home page updates

Updates to About section
Switch 2012 Winners to 2013 Flicks
Bug 848825 - add new director videos

This updates both the home page and the gallery sidebar.
Fix bug 843774 - make upload button handle text wrapping
Fixed Bug 852260 - Add Creative Commons Link To Video Detail Page

pull request tweaks
Fix Bug 854593 Remove Carousel Slide
Revert "Fix Bug 854593 Remove Carousel Slide"

This reverts commit 38c9f6f0f51c24e0ac8469a5cb4849e16a007a2f.
Reapply "Fix Bug 854593 Remove Carousel Slide".
Bug 854989: Add 'unsafe-inline' to CSP style exception as temporary fix.
Bug 854989: Temporarily disable CSP.
Fix bug 854989: Re-enable CSP.
Fix bug 852214: Add support for multipart text and html emails.