Bug 1055666 - Remember last selected project in WebIDE. r=jryans
Bug 1064280 - Add automated test for changing the URL in a pinned tab. r=dao
Bug 1067380 - Refactor webide to use app actor front. r=jryans
Bug 1071709 - Don't register Pdf.js mime handlers twice in the parent, fix for startup perf regression. r=mconley