mysql: moved to github

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/packages@42132 3c298f89-4303-0410-b956-a3cf2f4a3e73
pv: moved to github

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/packages@42133 3c298f89-4303-0410-b956-a3cf2f4a3e73