Update to bower.json

Added fonts to bower.json in order to work with bower-main-files plugin, you can tell the plugin if you don't want stuff, but you can't say include XYZ, besides fonts are being used in the css.
Update components link to be relative

Updated the components link to be entirely relative so we don't have to worry about which branch we're talking about.
Changed keyup to keydown for more responive key listeners. closes #1545, closes #1616
Cleaned up slider.js from #1616 (commit 7605d8c) and added changelog item for #1616
@toloudis fixed an issue with checking for an existing source on the video element. closes #1651
Merge pull request #1677 from sonicd300/patch-1

Updated to bower.json to include font files
Fixed XML markup.
Merge pull request #1702 from rafalwrzeszcz/fix/invalid-markup

Fixed Flash object tag markup for strict XML.
Added a line to the changelog for #1702
@thijstriemstra fixed a number of typos in the docs. closes #1704
@heff added the Source Handler interface for handling advanced formats including adaptive streaming. closes #1560
@azawawi added an Arabic translation. closes #1692
Merge branch 'master' of github.com:mmcc/video.js into hotfix/hide-show-via-class