commsec server: updated notes.
hxstream: updates

  efactoring, use dlists for efficiency, use ByteString.Word8.
README on SMACCMPilot comms.
communication: README wibble.
commsec server: updates based on Pat's and my conversation.
hxstream (hs): wibbles.
mavlink-debugger: run it in ghci.
smaccm-mavlink: edit dir structure to use as lib.

 * Also fix bug in high CRC.
Remove warnings.
commsec: gcs implementation.
hxstream: ivory implementation

  (still need to test).
hx-stream: library and test-harness.
commsec-test: gitignore.
commsec-test: update.
commsec lib: generalize to handle ARM and non-ARM builds.
commsec-test: remain using stand-alone aeslib.

  It's duplication, but this is a local Makefile not integrated into the overall build.
commsec-test: more tweaks.
mavlink messages: remove fileTransfer Mavlink type.

  Unused and too big for our 128 packet restriction.
commsec lib: fix include bug.
sp commsec: make stabilize build with commsec lib.