added spinner functions
split lines
allow time to redraw the busy sign before we start cleaning
Merge branch 'feature/spinner' of https://github.com/Teun/git-flow-vis into feature/spinner

Conflicts:
	Vis/Web/container.html
only redraw when no other downloads are in progress
extra logging
Merge branch 'master' into feature/spinner
default spinner using aui elements
default spinner using aui elements
include aui.css from cdn
gave up on aui spinner, use homegrown loading block
rotated labels
round corners
shorten column lines
toch maar wit op geel
commits 3px lager
Merge branch 'feature/spinner' into develop