Source formatting
Polls card choice layout
Polls card initial layout
Set choice background color
Extract BaseAlertViewCell
Rename AlertViewCell to TextAlertViewCell
Remove LinkCardViewCell
Remove CardViewFactory
Create PollsAlertViewCell
Create AlertViewFactory to instantiate cells according to Alert type
Move CollectionView cells registration to AlertViewCellFactory
Move Polls views to their own group
Remove SDK PushNotification classes. Now they came with Liferay-iOS-SDK pod.
Update Polls json keys