Reworked flort_dj_sio to use SioParser. Added driver files.
Added code and test to check for a bad header.
Per code review, changed print to log.debug().

Change-Id: I25a5428ae3a36ff179110735efa75deb969bf0c1
reduce logging from cg_dcl_eng_dcl at info level

Change-Id: I132a2e695d3057566915ab26fcd4b2646bfa493a
Merge "reduce logging from cg_dcl_eng_dcl at info level"
phsen_abcdef_imodem parser and unit test code complete.
(Recovered and Telemetered)
phsen_abcdef_imodem updates from parser code review