FW-257. Cleanup schedule module.
FW-257. Cleaning up sixtop (WIP).
FW-257.  group functions.
FW-257. Change function and variables name.
FW-257. only put in the header file the function that are accessed by outside.
FW-257. Order the functions to match the order of prototypes.
FW-257. rename functions in SConscript.env.
FW-257. Fix schedule_getSlotInfo function.
FW-257. organize indent.
FW-257. indent fix.
FW-257. indent fix .
FW-257. Add process_MLMEIEHeader to processIE.c.
FW-257. Cleanup.
Merge pull request #90 from openwsn-berkeley/develop_FW-257

FW-257.Fix.