Merge pull request #52 from Farsx/master

Separator between sensors data and preferences
Removed compiled schema from repository.
Renamed display function.
Renamed _parseSensorsTemperatureLine function, added line parser parameter.
The items variable holds only temperature related data.
Added fan rpm reading.
Add a separator between temperature and fan rpm if both are displayed.
Added preference for displaying fan rpm.
Added voltage reading.
Added preference for displaying voltage.
Merge pull request #53 from adrianbroher/blob-removal

Remove compiled schema from repository.
Merge pull request #46 from adrianbroher/sensors-ext

Add voltage and fan RPM to display.
Replaced string concatenation with formatted strings.
Removed duplicate code.
Don't assume the --port parameter for hddtemp in daemon mode.
Sort voltage items by label.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	extension.js