Bug 1021844 - [Messages] Can't load the application in Firefox r=schung
Revert "Bug 938045 - [Window Management] Implement AppSelection for Copy&Paste on Firefox OS"

This reverts commit 80245c04032ab105ada735e6f206d6fa3e18edc9.
Merge pull request #20157 from julienw/1021844-sms-firefox

Bug 1021844 - [Messages] Can't load the application in Firefox r=schung