Fix start flag and resetting the flow sensor

The Netduino interface + SignalR are working
Add some reboot-related stuff

I think this'll help (and maybe even work...)
Ignore some flash files

Not sure where they came from, but they appear to be related to
re-flashing the device or something
Wifi: detect connect/fail/authfail

fail/authfail will result in the same right now, but we can fix that
later if desired
reboot/connect
Allow TAE to bring down message thread
Fewer loops and debug needed
Merge pull request #113 from RightpointLabs/WiFiForNetduino

Wi fi for netduino