Merge pull request contiki-os#1596 from contiki-ng/atiselsts-patch-1

Update README.md

Release v4.0

Merge pull request contiki-os#148 from nfi/contrib/native-tun

Platform native: Avoid trying to use the tun when the tun is not available.

Version 3.0

Bumped the version number from 2.6 to 3.x, which is to be used in the…

… development branch

Merge pull request contiki-os#402 from adamdunkels/release-2-7

Bumped the version number from Contiki 2.6 to Contiki 2.7

Merge pull request contiki-os#402 from adamdunkels/release-2-7

Bumped the version number from Contiki 2.6 to Contiki 2.7

Version 2.6

Version 2.6 release candidate 0

Update makefiles to git release tags and directories