FW-262. OpenMoteCC2538 leds: green -> radio, orange -> sync (compliance with TelosB). Led yellow (debug) is turned off and disabled in 6top.
FW-262. Removed ifdef to modify led behavior in general. Allowed 6top led blinking.
Merge pull request #92 from NicolaAccettura/develop_FW-262

FW-262. OpenMoteCC2538 leds.
Merge branch 'develop' of https://github.com/openwsn-berkeley/openwsn-fw into develop_FW-263