native/net/tapdev: Fix for new `UIP_CONF_IPV6` handling.
Added `*.orig`, `*~`, and `.DS_Store` to `.gitignore`.
Fixes imposibility of receiving data when a node not using RPL joins a network
which does.

The RPL header is processed, declared invalid and the packet discarded. This
is fixed by this commit.
Limit size of uip/tcpip stack when not using TCP at all.
Make DS6 route notifications optional.
Merge pull request #221 from lebrush/uip-ds6-notifications

Make DS6 route notifications optional
[webserver] Update urls in default data

Replace all links to sics.se with contiki.org
Merge pull request #244 from darconeous/pull-requests/cpu-native-tapdev-ipv6-fix

native/net/tapdev: Fix for new `UIP_CONF_IPV6` handling.
Merge pull request #243 from darconeous/pull-requests/more-gitignore

Added `*.orig`, `*~`, and `.DS_Store` to `.gitignore`.
Merge pull request #248 from karlp/webserver-update

[webserver] Update urls in default data
Merge pull request #218 from lebrush/rpl-mixed-network-bug

Fixes bug a node not using RPL joins a network which does
[docs] Remove outdated example-packet-drv

This example code is superseded by better examples in, for instance,
cc2538 and cc2420.

Fixes issue #208
Merge pull request #250 from karlp/kill-bad-docs

[docs] Remove outdated example-packet-drv
Added *.testlog
Merge pull request #251 from sieben/gitignore

Added *.testlog
Merge pull request #214 from lebrush/tcp-uip-size

Limit partially size of uip/tcpip stack when not using TCP at all
Telnetd improvement: allow specifying a maximum silence time and kill the connection after that time. This is to avoid the telnet connection getting stuck forever if the connecting host reboots.
Added a number of default options for ContikiMAC, and allow them to be overridden with contiki-conf.h configuration options
Allow proactive probing interval to be configured
Allow platform makefiles to specify APPS to be used, by defining a PLATFORMAPPS variable.