pco2w_abc_imodem parser and driver code complete
Updated due to IDD change indicating that missing metadata should still involve it being generated, just with null values as appropriate.

Change-Id: I67d8b7dbb231af99cc6e0dcc94f1ed8aff7a2ce2
Merge "pco2w_abc_imodem parser and driver code complete Updated due to IDD change indicating that missing metadata should still involve it being generated, just with null values as appropriate."