Adding input_mask and placeholder attributes to Answer. #415
Adding masked input behavior to answers with input_mask attribute. #415
Serializing input_mask and placeholder attributes on Answer. #415
Cleanup input mask javascript. #415
Use data tags to store input_mask and placeholder on tag for unobtrusive js. #415
Simplify. #415
Remove input mask placeholder database length limit. #415
Rename input mask placeholder attribute. #415
Add input mask example in kitchen sink survey. #415
Test that input_mask and input_mask_placeholder are serialized. #415
Testing complete input mask functionality. #415
Updated survey json representation to include new placeholder name. #415