Document that photo picker params are 1-indexed
Don't try and tap 'Choose' after picking an image

The resize dialog does not appear if you use the default
UIImagePickerController.
Backfills test for picking an image
Move pch to Supporting Files file directory
Add Entitlements.plist to allow access to photos

Prevents the dialog asking for permission to access photos.
Only run photo picker test on iOS 8+ simulators
Run CI on both 7.1 and 8.1 simulators
Use a Travis CI image with Xcode 6.1
Only run tests on CI on iOS 8 simulator
Remove all other tests (for faster CI feedback)
Use Moments photo album over Camera Roll
Merge branch 'backfill-photo-test-ios8'