Roll back to previous.
Initial commit of WebAppInstaller activity.

Remove broadcast receiver, in favor of WebAppInstaller Activity.
Removed most of the flicker between Synth APK and Installer.
Android's browser.js is doing quite a lot in the install process before and after calling confirmInstall.
Remove BroadcastReceiver, and any extra UI cruft.
Merge branch 'synthapks' of github.com:mykmelez/mozilla-central into synthapks

Conflicts:
	mobile/android/chrome/content/browser.js
Send result back to calling activity.
Work in progress. Trying to get the Intent/Intent filter running.