stages: be relative, added checks, comments, optimizations
stages: Mobility: numInitStages() fixes
removed FIXMEs
stages: TCP: changed stages -- fingerprints changed
added new stage for autoconfigure addresses

- fingertprints stayed the same
stages: number to symbol
stages
numInitStages
DYMO: fixed stages
registerHook() calls moved from STAGE_LOCAL_BEGIN to higher stages
802.11 MAC: fixed stages
EchoProtocol: numInitStages() was missed
moved some initialization from stage 0 to higher stage -- fingerprints changed
init: Radio: removed a duplicated notification, edited comments
stages: removed unused STAGE_IP_LAYER_AVAILABLE
stages: be relative, added checks
removed STAGE_SET_TRANSPORT_LAYER
numInitStages() fix, added ASSERT
stages: be relative, added checks
stages: sorted, separated