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>

Extend the existing patch handling disabled SSLv2 to cover the SSLv3 case as
well in order to fix the following build error reported by the buildbot:

    openssl.o: In function `ssl_open':
    openssl.c:(.text+0xa1c): undefined reference to `SSLv3_client_method'
    collect2: error: ld returned 1 exit status

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

disabling SSLv2 and SSLv3 caused nail to break, fixed this
some of our snapshot builders don't have CVS, switch to Debian as source

Signed-off-by: Steven Barth <steven@midlink.org>

Signed-off-by: Dmitry V. Zimin <pfzim@mail.ru>

Signed-off-by: Dmitry V. Zimin <pfzim@mail.ru>