Bug 901383 - Some permissions dialogs should have a 'more info' capability. r=etienne

(cherry picked from commit 0b1404818d1d1069ff79320c5fce7708be0b2f20)
902973 - [SMS][MMS] Intermittent TEST-UNEXPECTED-FAIL in notification_test.js r=gnarf

https://bugzilla.mozilla.org/show_bug.cgi?id=902973

- Clean up
- Migrate to sinon.spy
- Use mocks as spy targets
- Assert on spy intel instead of mock properties
- Simpify mocks
- Ensure Threads tests start with hash = '';
- Remove from blacklist

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>
(cherry picked from commit 2becb16639589225f5948ebfd1c704cc36cdba0a)

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>
Bug 838634 - Better integration of e.me to the landing page. r=pike, a=leo+
Merge branch 'v1-train' into v1.1.0hd