finished libsl/drw integration
applied Julian's enum approach,
	however renamed theme into scheme resp. Theme into ClrScheme
applied Jochen's drw_text patch, thanks
Change font to size 10 and change modkey to mod4

Signed-off-by: Chirantan Ekbote <chirantan.ekbote@gmail.com>
Append compiler flags instead of overwriting them

Signed-off-by: Chirantan Ekbote <chirantan.ekbote@gmail.com>
Don't show the status bar on startup

Signed-off-by: Chirantan Ekbote <chirantan.ekbtoe@gmail.com>
Make border color black, add volume control options
Only change focus on mouse click
Add windows above selected window