add support for dds format textures
cleanup
clone dds textures properly
add session secret info to config
fix groundplane to use default material caching and parsing logic
prevent move tool trying to move scene
center grid, add secure PRNG polyfill
use secure random to pass Fortify tests
more work to ensure proper randomness
remove some console.log calls
some cleaning in server interface
Merge branch 'development' into vle

Conflicts:
	support/client/lib/load.js