Move telephony feed to github

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

SVN-Revision: 43614

feeds.conf.default

@@ -1,7 +1,7 @@
 src-git packages https://github.com/openwrt/packages.git
 src-git luci https://github.com/openwrt/luci.git
 src-git routing https://github.com/openwrt-routing/packages.git
-src-git telephony http://git.openwrt.org/feed/telephony.git
+src-git telephony https://github.com/openwrt/telephony.git
 src-git management https://github.com/openwrt-management/packages.git
 #src-git oldpackages http://git.openwrt.org/packages.git
 #src-svn xwrt http://x-wrt.googlecode.com/svn/trunk/package