Fixed issue where `ask_for_email` feature was always set to YES.
Clean up logging of events and available interactions.
Fixes IOS-521
Merge pull request #102 from apptentive/dev

Clean up logging of events and available interactions.
"Require Email" not respected by Feedback Dialog in engagement rating prompt.
Fixes IOS-530
Fixed typo.
Added `hide_branding` remote config and `initiallyHideBranding` API property.
This replaces the local `showTagLine` API property of ATConnect.
IOS-532
Use `hideBranding` in places that formerly used `showTagLine`.
IOS-532
Add `hideBranding` check to Upgrade Messages.
IOS-532
Pointer.
Merge pull request #105 from apptentive/hideBranding

Hide Apptentive Branding remote configuration option.
Version 1.5.3