Squashed all the stuff:
init
Update README.md
options
performance
Animation no longer jumps if started in the middle of an animation
Doubled default transition length
Minor bugfix, preformance
Track x and y separately to aviod jumping in mid-animation repositioning
Added video to readme
docs
docs
fixed graphical glitch with non-transparent windows
now animates window scaling too (but only if the window grows)
added options for size transitions
and actually respect the new options..
and actually respect the new options..
added center-spawn option
added center-spawn-screen option
fixed center spawn
added no-scale-down
goofed
remember old windows
remember old windows
docs
fixed shadow
fixed shadow
fixed shadow
fixed shadow
lost no-scale-down due to revert
lost spawn-center due to revert
Fixed#2
fix missing window borders
