Signed-off-by: Daniel F. Dickinson <cshored@thecshore.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>

Adds gitolite package which is a handy administrative tool for
managing shared git repositories.

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