Plugin version 1.1.0 - RFCOMM

Adds support for the Extended SSP APIs in 10.3.0 and above
enabling access to the RFCOMM API when the plugin is built against
a 10.3.0 or above SDK. As it stands in this repo the plugin
is pre-built against 10.2.1 which does not expose RFCOMM support.
Merge pull request #369 from jcmurray/master

Plugin version 1.1.0 - RFCOMM