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>

Update package to latest stable upstream and update my maintainer email

Signed-off-by: Daniel Dickinson <lede@cshore.thecshore.com>

Add back from oldpackages with fixes for build errors and UCIfication
(for LuCI app submitted in a related PR (against LuCI repo)).

NOTE: Untested packages have been marked with @BROKEN.  This can
be undone of others report success with the sniffer

Signed-off-by: Daniel Dickinson <lede@daniel.thecshore.com>