Merge pull request #75 from ldjagger/master

Bug fixing.
MOBILE-1134	: Passcode implementation
Transform preferences object from activity to fragment.
MOBILE-586
Update string values + using String format.
[Review]
[Quick Fix] Navigation and configuration changes.
Merge pull request #76 from jmpascal/master

Sprint 3 : New features
[Code Violations] Decrease number of code violations.
[Code Violations] reduce number of error
MOBILE-1412
MOBSDK-539
[Quick Fix] Add document icons after loading.
[Quick Fix] Improve cloud account loading
[Improvements] RenditionManager
[Improvements] Add cloud service unavailable.
MOBILE-1416
MOBILE-1419
Merge pull request #77 from ldjagger/master

MOBILE-1409 fix
Merge remote-tracking branch 'parent/master'
MOBILE-1421