Version 3.0-rc0

remove platform/osd-er-lp24

Creating the first official version.

Version 2.6

Version 2.6 release candidate 0

Move 16-bit integer conversion operations into functions, as is done …

…already with 32-bit ops.

Update to Contiki version number 2.4

-> 2.3

Bumped version number to 2.2.3

Bumber version number to 2.2.2