Expanded test scripts (and fixed a few bugs)

The following requirements have been met:

• application logic
• '$init', '$stop'
• '$enquire'
• AppData, EventData
• all possible transreply()
• add '$default' to trans_switch()
• use/test trans_switch()
• timer logic
• backgrounded signals

What has not been done yet, is automate all these things and building. It is now time for cleanup towards a 1.0 release, for which the code is now in a good state:

• Finishing touches
• Document bitfield vectors
• Document non-event '$trans'
• Hush reflow verbosity
• Good test coverage
• CMake, CTest
• App dirtree buildup for Erlang
• Documentation update