Relocate icons and fix popup/slider for new directory structure.

Fixes #34
Merge remote-tracking branch 'mjschranz/issue34'
Link mousetrap dependancy locally

Linking locally allows this library to be served over HTTPS, which will
remove the mixed content warnings in browsers.

Fixes #33.
Merge remote-tracking branch 'mbuttu/issue33'
Add support for URL Security feature.

Rackspace video's are now retrieved with temp-urls.
Merge remote-tracking branch 'mjschranz/urlsecurity'