adobe/brackets — pull request #3564 by njx (2013-04-23 20:42:35+00:00)
Title: Back out Extension Manager for now:

* Remove "File > Extension Manager..." and reinstate "File > Install Extension..."
* Add "Browse Extensions" button to the Install Extension dialog that goes to the wiki page
* Add toolbar icon to open the Install Extension dialog

@gruehle (code review), @dangoor (light scenario test)