Bug 927999 - Feedback error messages need rewriting in proper English

New strings provided by Matej, consider the blank space before ":" as a
typo.
Bug 928283- Added button back
Bug 929285 - Predefine appWindow height with software home button enabled
Bug 923152 - Group non-latin names on import contacts
Bug 929479 - Close 'span' elements in lockscreen passcode pad
Bug 928946 - [e.me] Lazy load Banner, ConnectionMessage and Location modules
Bug 929468 - Python fix the way tests use mock_contact.py
Merge pull request #12936 from gitmai/bug-928283-back-sim-pin

Bug 928283- Added button back (r=fcampo)
Bug 802643 - [email] Compose/share activities are unable to return to calling app once message is sent
Bug 927744 - [Keyboard] Keyboard app loses "inputContext" object when switching layouts
Merge pull request #13009 from comoyo/close-lockscreen-spans

Bug 929479 - Close 'span' elements in lockscreen passcode pad, r=timdream
Merge pull request #13006 from alivedise/bugzilla/929285/soft-home-height

Bug 929285 - Predefine appWindow height with software home button enable...r=timdream
Bug 914362 - fix long device name problem

- add middle ellipsis symbols for this case
Bug 909689 - Set data connection text based on the network mode and the existence of calls
Merge pull request #13014 from jrburke/bug802643-email-activity-return

Bug 802643 - [email] Compose/share activities are unable to return to calling app once message is sent r=asuth
Merge pull request #12467 from EragonJ/bug-914362

Bug 914362 - fix long device name problem
Merge pull request #12664 from gitmai/bug-923152-group-non-latin-names-import

Bug 923152 - Group non-latin names on import contacts
Revert "Bug 923152 - Group non-latin names on import contacts"

This reverts commit 1733c32d7a8398f5e09d4389d7b9a2f45caafaeb.
Merge pull request #13005 from EverythingMe/928946-lazy-modules

Bug 928946 - [e.me] Lazy load Banner, ConnectionMessage and Location mod...
Merge pull request #12966 from crh0716/909689

Bug 909689 - Set data connection text based on the network mode and the existence of calls r=alive