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>

Part of a wider housekeeping effort on the packages repository.

Signed-off-by: Alberto Bursi <alberto.bursi@outlook.it>

Clean up init script and introduce support for multiple disks.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

Signed-off-by: Ian Leonard <antonlacon@gmail.com>

Signed-off-by: Lim Guo Wei <limguowei@gmail.com>

Minor Makefile rework (licenses)
Signed-off-by: Ted Hess <thess@kitschensync.net>