CB-6212 iOS: fix warnings compiled under arm64 64-bit
CB-1291 Windows8 Adding contact picker apis
CB-6212 iOS: fix warnings compiled under arm64 64-bit

-for CDVContacts.m
CB-1291 Windows8 added some contact conversion, console.error on save because it is not supported
CB-1291 Windows8 supports multiple, added some error checking, converts Windows8 Contact to Cordova Contact
Update docs with Windows 8 support info, fix contacts.find example error
Windows 8 - added some more #Quirks info
CB-6126 [BlackBerry10] Update docs quirks section for fields which are supported
CB-6460: Update license headers
CB-6452 Updated version and RELEASENOTES.md for release 0.2.10
CB-6452 Incremented plugin version on dev branch.