Merge pull request #123 from mgage/develop

Updating urls for ww_applet_support.js and Base64.js
Move keys out of delete-me. Add math4/codeshard
Removing delete-me/keys directory
Moved FontAwesome to js/vendor location
Update location of tabber files
Move ww_applet_support.js to legacy directory
Move Problem.js to apps/LibraryBrowser
Modify paths to library browser .js scripts
Modify paths in FrontPage

This is still not functional or ready for prime time
Update url paths to .js files
Merge branch 'develop' of https://github.com/openwebwork/webwork2 into develop

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