Sort Message Center on server message creation time rather than client creation time.
Testing for IOS-589
Added logging when App Store cannot be opened due to no App ID being set.
APPTENTIVE-3201
Added specific fixes for App ID to the logging in bfc480ca76ce67fe21fffe9f714855c82ac3d37d
Add comments in places where server `creationTime` overwrites `clientCreationTime`.
Method `updateClientCreationTime` shouldn't set server `creationTime` unless `creationTime` is empty.
IOS-589
Merge branch 'MessageCenterOrder' into creationTime
Fixed default Thank You text when Rating Flow Message Center is turned off.
Removed `Survey` and `Ratings` sections from FeedbackDemo, added `Events`.
Fixes IOS-484 and IOS-274
Clean up Feedback Demo
Fixes IOS-484 and IOS-274
Remove `AT_LOGGING_LEVEL_INFO = 1` from Release builds. Defaults to 0.
Merge pull request #141 from apptentive/thankYouText

Fixed default Thank You text when Rating Flow Message Center is off.
Update `Localizable.strings`
Version 1.6.1