Merge pull request #56 from Bounz/master

Fixing thermostat handler
- Completed Arduino Sketch file manager
(sf.net r439)
- Updated Generic Thermostat and Philips Hue app; added ZWave Thermostat poll app
- Added automatic hiding of options/programs when not enabled on current system configuration
- Added "{hostos}" keyword to MIG web service gateway preprocessor
- Fixed issue #55
(sf.net r440)