[feeds.conf/patches]: update luci feed and rebase/remove patches

This update includes a patch that disables the neighbour table:

http://luci.subsignal.org/trac/changeset/10520

This makes the 013-luci-olsr-controller.patch obsolete.

It also contains an update for the dns option in the berlin community profile:

http://luci.subsignal.org/trac/changeset/10521

Works for me with: http://buildbot.berlin.freifunk.net/builders/ar71xx/builds/156