Revert "Clean up opacity setter"

This reverts commit ce2b0f19615bb7a6b0dabe71227d61730974926c.
Revert "Render inactive clients transparent"

This reverts commit c1146b30ebbcbf7a5dfccef22dfe715e8b67e32b.

Conflicts:
	dwm.c
Config updates

Signed-off-by: Gregor Best <gbe@unobtanium.de>
limit updates per second for win move/resize

Limit the amount of updates when resizing or moving a window in floating
mode to 60 times per second. This makes resizing and moving alot smoother
and by limiting it it also uses alot less resources on my machine.