Kore update.
Image mouse cursors.
Animated cursors.
added helper function
Added click point to cursors.
Call mouse.update with x and y.
some mice-work
Fixed collider for Sprites with default width/height parameters.
another helper
fixed sorting
added debug lines
fixed bugs introduced by fixes to fix bugs introduced by buggy helper functions
Added Flash buffer usage parameters - then commented them out.
[HTML5] added new mouse cursor feature
removed duplicate mouse.update()
removed obsolete debug traces
Added a "quit" functionality to allow games to close themselves.
Use usage parameters in WebGL.
Implemented custom mouse cursors for Kore backend.
Merge branch 'master' of https://git.ktxsoftware.com/git/KOM/Kha

Conflicts:
	Sources/kha/Scene.hx