Update video.js to 4.5.1
Merge pull request #353 from projecthydra/video_js_upgrade

Update video.js to 4.5.1
Adding a description to the all:release task so it will show up with rake -T
Merge pull request #350 from projecthydra/font-awesome-internal

Move font-awesome-sass-rails to be an internal dependency
Merge pull request #354 from psu-stewardship/release_desc

Adding a description to the all:release task so it will show up with rak...
Added the mercury editor to the about page