Return button action handler

Merge pull request #22 from urbn/UIOS-1785

Uios 1785 - Keyboard Return button handler

Bug Fix / Animation Improvements

• fixed bug w/ keyboard / presentation animation conflicts
• updated visibility animation to use property animators

Handling keyboard frame size change

Specifically to support switch between different chinese keyboard

Added removeAllAlerts helper

Merge pull request #18 from urbn/DismissAllAlerts

Dismiss all alerts helper

Buttons Title's Shrink to Fit Width

add shrink to fit width to button title labels
add minimum scale size for button title labels

Refactor Title and Label Layout

• using the embed methods for adding UI
• alert titles can now be any number of lines
• refactor how horizontalMargin is applied - using leading and trailing anchors

added accessibilityIDs

Merge pull request #13 from urbn/accessIDs

accessibilityIdentifiers for Mobile QA team

Fix Alert Message Width and Height Constraints

• the message text view was not being sized correctly, resulting in text becoming scrollable when it should be static

implemented textField edgeInsets

Merge pull request #11 from urbn/TextFieldEdgeInsets

AlertStyler.textField.edgeInsets was being ignored

AlertStyler Public Init

• AlertStyler inits now public so WhiteLabel Clients can access and style their own alerts.