Enhancements on phoneNumberWin.js

Enhancements include:
 - Final version of UI
 - Deleting picker.xml, it has no longer use
 - Adding the picker code in the xml file instead of picker.xml
 - Deleting a lot of not useful code for android and iOS
 - Adding description text
 - Removing the toolbar for iOS picker and keyboard
 - Handling if the phone number has a zero on the left

Tasks Remaining in phoneNumberWin:
 - Handling iOS label’s bug in bubbleParent
 - Choosing the best animation for picker
 - Using IP address instead of location to get the country code