Device secret in asset file will not overwrite the stored access token if we have one.
Consolidating variables,  deviceSecret/AccessToken device_identifier are now one.

 setDeviceId is no longer usable
Funneling the AppBlade Log calls through AppBlade for better control.
Making AppBlade.LogTag private, hard-enforcing the log calls in all classes.
AuthorizeTask is now being called instead of RemoteAuthorizeActivity in the authorize(Activity) function.