fixed ninja skin and skin part selection on missing part
made maps a submodule
some clean up
removed hookdir from snapshot data
removed some unused stuff
disabled the map checker for now
fixed some compiler warnings
use json format within the language index file
close workerthreads on shutdown
added missing json parser files
changed format of the countryflags index file to json
changed language file format to json
fixed couple of warnings
added automapper improvements by LordSk in a json based manner
changed skin file format to json
added some missing skins
added alternative HSL picker. Closes #1029
added light image used to animate lamps

this also would clear the dm8 embedded light animation,useful image to
light up lamps and give them some animations.
Merge pull request #1041 from Sonix-/lightone

added light image used to animate lamps
fixed build and make_release script