86659
Merge branch 'master'
Improvements and fixes

LongListMultiSelector
What's New:
• ItemContainerStyle.BasedOn is automatically set to the default list or grid style
• More closely match the built-in experience
What's Fixed:
• ItemClick event is raised when selection is enabled
Important Changes:
• LongListMultiSelector.SelectBoxMargin property has been renamed to CheckBoxMargin, and the default value has changed

PhoneTextBox
What's Fixed:
• Fixed default style

TransferControl
What's New:
• More closely match the built-in experience
• Tilt effect
Important Changes:
• Icon property's type is now ImageSource instead of Uri

PhoneTextBox
What's Fixed:
• Fixed default style