[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
Merge branch 'master' into update/luci
Merge pull request #61 from freifunk-berlin/update/luci

[feeds.conf/patches]: update luci feed and rebase/remove patches
[patches] remove 003-comgt-dep-ppp.patch

This should be fixed upstream and we do not plan to support exotic setups with
3G/GPRS hardware.
[packages] Add iwinfo to list

output of iw is verbose. For sitesurvey, channel choosing or
station dump iwinfo is more human friendly to read.
README: document firmware features and explain general firmware concept/idea

Closes issue #36.
[feeds] update berlin-packages

dns config #15
fix openwifimapbutton #65
fix wireless ap config #58

also retabbed everything and do not precompile
[patches]: merge freifunk-policyrouting patches

I merge:

* 011-luci-freifunk-policyrouting-berlin.patch
* 015-luci-freifunk-policyrouting-hotplug-device.patch
[patches] remove call to network_get_physdev

The device is provided by netifd as DEVICE so the call to network_get_physdev is
redundant.
[patches] fix freifunk-policyrouting

At the moment netifd can not create ip rules for wirless interfaces or only some
rules. This is due to the async nature of wireless interfaces and how netifd
initializes these interfaces.

This change makes sure that the unreachable rule is created even if there is
already a rule for the olsr-default table lookup. The unreachable rule does need
a condition on its own and should not be coverd by the olsr-default table lookup
condition in the if statement.
[patches] create lookup rules in hotplug olsr script only if smartgw is disabled

The smart gateway extension of olsr creates lookup rules. We do not have to
create the lookup rules in the hotplug script otherwise we have duplicated rules.

It's important that the olsrd default setups a properly configured e.g.
RtTableOlsrPriority.
[patches] policyrouting - add rules for smartgateway tunnel

The check if SmartGateway was enabled is redundant because we grep if the
rule was there already. To get SmartGateway working olsr-tunnel rules must be
added added before olsr-default rules.
[feeds] update luci - add priorities for RtTable parameters in profile_berlin
[patches] added RtTable and SGW parameters to profile_berlin
Merge pull request #72 from freifunk-berlin/updateBerlinPackages

[feeds] update berlin-packages
Merge pull request #71 from cholin/packages/iwinfo

[packages] Add iwinfo to list
Merge pull request #62 from freifunk-berlin/bug/freifunk-policyrouting-hotplug

Bug/freifunk policyrouting hotplug
[feeds] update berlin-packages

Addresses issue #76.
[feeds] update berlin-packages

tunl0 interface was missing in /etc/config/network and
/etc/config/firewall for SmartGateway. Furthermore enables
dyngw and SmartGateway plugins by default.
[patches] set netmask for interfaces to 255.255.255.255