Some code cleanup.

* Focused on some simple classes at first.
Change icon to an embedded resource.
Continued on fix for issue #2.

* Changed maxRepeat for squad numbers to 10 instead of 12
Various code cleanup changes.

* Confidence setting is now properly set to the voiceEngine
* Now registering the SpeechRecognizedRejected event, currently only outputs to Trace
* Stopped XML output of the grammar. This shouldn't have been included, as it was a debugging step.
* Changed calls to SendKeyPresses to include the new  optional delay parameter.