update to 2012.09.0
 change url for orc
 pkg-config add depends to  libtool
 revert make sure that a .make file is never included more than once
 fix autogen.sh
 add git clone  and svn checkout support
 fix git clone
 code optimized for git clone support
 add sh4  ipk
Fix subdir extraction for e.g. libtuxt
Fix typo
Merge remote-tracking branch 'schischu/master'

Conflicts:
	rules/mesalib.in
	rules/net-snmp.in
	rules/net-snmp.make
	rules/usb-modeswitch.make
	rules/wayland.make
	scripts/lib/ptxd_make_world_extract.sh