Update to add email signature

Added functionality to include vCard or read a text file with signature
data and include it in the email body.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	BB10-Cordova/EmailSender/plugin/Readme.md
1.fixed test application failing to run\n2.Implementated check for process already in progress, this way two calls to the plugin will not cause undefined behaviours when calling the library to do different tasks.
Merge pull request #368 from timwindsor/master

Updates ExtractZipfile to version 1.1.2
Merge pull request #364 from hwen3/master

bug fixes
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
Bugfix release 1.1.1

Fix buffer overrun in message logging when using large buffers
Merge pull request #370 from jcmurray/master

Bugfix release 1.1.1
Cleaned up code

Added: vCard, Signature attachments
Added method to strip html tags for text messages
Merge remote-tracking branch 'upstream/master'
Adds details about version 1.0.4 for publishing to Cordova