fix debugsettings warning
increase version of all qml elements, to 2.2 qtquick, 1.1 controls, styles
enable checkbox AA
add hotbar, looks so much better..responds with a nice spring animation

yay qml
add hotbarmodel base(WIP, unused), document some things
reenable GL_KHR_debug support, with epoxy.

reenable important and startup areas by default.
assert if khr_debug error

disable/ifdef 0 checkglerror/glgeterror by default, forever.
on systems where i need it and it doesn't have khr_debug, i can always
renable it