Adding back in some iOS 7 compatibility fixes.
Fixes IOS-167 Tapping Survey text entry cell results in haphazard scrolling

The view hierarchy changed a lot in iOS 7.
Fixes IOS-166 (Status bar overlap) and IOS-184 (image action sheet)

Reworked how we set up title bars, instead using navigation controllers. Also reworked the flow of the modal dismissal flow on iOS 5+.
Setting and unsetting the parent window's tintAdjustmentMode.
IOS-160 Red glow under FeedbackDemo keyboard

This removes the attachment drawer in favor of just a camera button. Since we only have one action at the moment, I feel the camera buttom makes more sense.

This also resolves IOS-112 Re-do attachments drawer to show only available actions.
IOS-171 Text entry for messages should be redone for iOS 7

Redoes the text entry to look like iOS 7 styling. The text view entry is pretty wonky still, but that will be worked on separately.
Fixing iOS 6 compatibility.
Modified PSD.
3rd Part integration config should take dictionary rather than string
Fixes IOS-289
Message custom data should only be sent with the first message in a Message Center session
Fixes IOS-287
Added custom data to ATFileMessage
Don't send custom data with automated messages
Fixes IOS-288
Added `time_ago` criteria to Interactions
Fixes IOS-259
Merge branch 'Next' into timeAgoCriteria
Added Accelerate.framework to ApptentiveConnect project (for tests)
Added static string for Urban Airship integration
Fixes IOS-294
New location for static integration keys.
Merge branch 'master' into iOS7UIRefresh

Conflicts:
	ApptentiveConnect/ApptentiveConnect.xcodeproj/project.pbxproj
	ApptentiveConnect/art/text_input_bg_ios7.psd
	ApptentiveConnect/source/Custom Views/ATSimpleImageViewController.m
	ApptentiveConnect/source/Message Center/ATMessageCenterViewController.m
	ApptentiveConnect/source/Message Center/ATMessagePanelViewController.m
	ApptentiveConnect/source/Surveys/View Controllers/ATSurveyViewController.m
Moving some of the data source methods into a new class.
Factoring out common view controller code.
First cut at cells in the container views.
First cut at IOS-283 New automatic message cell design