Adding FF50 VC project files and libraries; updated manifest
Review at http://gwt-code-reviews.appspot.com/1468803

Review by: conroy@google.com

git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@10396 8db76d5a-ed1c-0410-87a9-c151d255dfc7
10 files changed