Allows removal of the InstallDev section as it's now implicit.

PKG_INSTALL is already defined in cmake.mk

This also installs a pkgconfig file. Added a patch to fix it up.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

fix Makefile chmod (644)
replace MD5SUM with HASH
add PKG_MIRROR_HASH when PKG_SOURCE_PROTO:=git

(PKG_SOURCE_PROTO:=svn tarballs are not reproducible for now)

Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com>

Signed-off-by: John Clark <inindev@gmail.com>
Tested-by: John Clark <inindev@gmail.com>

Signed-off-by: John Clark <inindev@gmail.com>
Tested-by: John Clark <inindev@gmail.com>