Set gl_size from window size, not gl context
Made sdl2 resize window on _size change
Fixed typo in function name
allow setting kivy home with KIVY_HOME environment variable
update docs with KIVY_HOME
enfore minimum down state time
fix tabs
Merge pull request #2528 from kived/config-customdir

allow customizing the location of the Kivy config data
uix:bubble don't assign to window when using limit_to
Merge pull request #2536 from kivy/fix_bubble

uix:bubble don't assign to window when using limit_to
_event onlt depends on prop.pxd and prop.pyx.
Fix use after free when unbinding a currently dispatching function. Also, don;t dispatch callbacks added during a dispatch.
Merge branch 'master' of https://github.com/kivy/kivy
doc: fixed indentation error
Allow reuse of prop in widget with different names, like before.
Merge branch 'master' of https://github.com/kivy/kivy
doc: added link, clarified cls/ctx in uix/listview.py
Merge branch 'master' of https://github.com/kivy/kivy
doc: tweaked example, removed repeated explanations in uix/listview.py
doc: stripped out invalid referral, inessential detail, added link to uix/listview.py