tcsh: move to github

Signed-off-by: Nuno Goncalves <nunojpg@gmail.com>

git-svn-id: svn://svn.openwrt.org/openwrt/packages@42562 3c298f89-4303-0410-b956-a3cf2f4a3e73
sshtunnel: move to github

Signed-off-by: Nuno Goncalves <nunojpg@gmail.com>

git-svn-id: svn://svn.openwrt.org/openwrt/packages@42563 3c298f89-4303-0410-b956-a3cf2f4a3e73