Adding Lookback to Podfile
Adding in code to hook in Lookback
Adjusting Lookback to trigger with a long press

Having lookback trigger with the shake gesture breaks undo.
Added option in settings for shaking -> feedback
Hiding internal beta section when appropriate

Forgot to hide the "Internal Beta" section title in the Settings view when the internal beta wasn't actually activated. Added a check to make sure that the internal beta is activated before the section title is set.
Defaulting the shake gesture for feedback to yes.
Merge branch 'develop' into issue/add-lookback-to-project
Added LOOKBACK_ENABLED preprocessor macro.
Adding braces around if statement in SettingsViewController
Merge pull request #2510 from wordpress-mobile/issue/add-lookback-to-project

Add lookback.io to the internal beta
Updating project.pbxproj
Merge remote-tracking branch 'origin/develop' into issues/2317-update-comments-page

Conflicts:
	WordPress/WordPress.xcodeproj/project.pbxproj