Dividable lights (pixels) and other changes (diyhue#84)

* Added manual division of the lights (1/2)

* Added manual division of the lights (2/2)

* Added dividedLight functions
Improved lightEngine
Entertainment adjustments coming soon
(Test phase under real conditions)

* Added individual host name (based on the light name)
Added AvalilablePixels (Preferences)
Added updater to tab
Improved html
And other Improvements

* Added auto reload
Added double submit lock
Added dynamic calculator (availablepixels)

* Added dividable entertainment

* Added auto calculator for newly added lights
Improved auto reload

* Changed links to github