adding distributed storage
removed
added README.md for distributed storage
Update README.md
added README.md for rpl routing metric
Merge branch 'master' of https://github.com/sics-iot/calipso
Contiki80211 clean version without TFT
Merge pull request #2 from vvukadinovic/master

Contiki80211 clean version without TFT
Added mccontikimac directory
-Adding McContikiMac source files (under net/mac)
-Adding an example for using McContikiMac with rime
Update README.md

-Describing the files implementing MC-ContikiMAC, the configurable parameters and a usage example.
Removing an erroneous extern variable definition.