Allows targets such as prepare, refresh, or update to be run without
building dependencies for easier patch maintenance.

Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>

Otherwise int8_t is undeclared.

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: Ted Hess <thess@kitschensync.net>

Signed-off-by: Alessandro Di Marco <dmr@ethzero.com>