Fixed issues #362, #380 and #384 for VS 2012:
#362 - unable to add debug token on device
#380 - able to unregister BB token with no api level installed
#384 - unable to access debug token if there is no api level
Fixed issues: #381 and #360 for both VS 2010 and 2012, and also #380 and #384 for VS 2010 only.
#381 - able to crash vs if attach to process is setup with no api level
#360 - attach to process device misconfiguration message implies device is not connected
#380 - able to unregister BB token with no api level installed
#384 - unable to access debug token if there is no api level
Merge pull request #386 from blackberry/next-381

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