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: Marko Ratkaj <marko.ratkaj@sartura.hr>

Without this, produces an error :
<code>/etc/rc.common: line 1: contentscannertimeout:uinteger: not found
validation failed
/etc/rc.common: line 1: contentscannertimeout:uinteger: not found</code>

Signed-off-by: Julien Paquit julien@databeille.com

Signed-off-by: Marko Ratkaj <marko.ratkaj@sartura.hr>

Signed-off-by: Nicolas Thill <nico@openwrt.org>

Signed-off-by: Luka Perkov <luka@openwrt.org>