bug 963322

* uri decode the message before setting it as text content.
* this is only required for 1.3 as 1.4 and greater uses the URL object which automatically does this for us.

r=mhenretty
Bug 956938 - Fix active activity reference
and remove the activity window correctly when there is multiple inline activities
Merge pull request #15680 from gtorodelvalle/contacts-bug-960525-undefined-last-name

Bug 960525 - [Contacts] undefined as contact's last name after merging
(cherry picked from commit ac717698a31dcefbcdd13574ebeb66ff7e7b57bf)

Conflicts:
	build/jshint/xfail.list
Merge pull request #15793 from alivedise/bugzilla/956938_v1.3/active-activity

Bug 956938 - Fix active activity reference
Bug 947234 - Render the threads incrementally
Bug 947234 - Quiet facebook-related errors that aren't really errors
Merge pull request #15811 from gabrielesvelto/bug-947234-v1.3

Bug 947234 - Improve SMS app launch latency
Merge pull request #15784 from nullaus/bug963322

bug 963322