Added rc mode docs
Merged
Major push in state machine cleanup
Updated docs
RC mode switching idea using 1 3pos and 2 2pos switches
Merge branch 'master' of github.com:PX4/Firmware into statemachine_docs
Updated RC mode switching docs, merged with Julian
Another diagram update
Updated state machine docs after first review round
Merge pull request #120 from PX4/statemachine_docs

State machine documentation