Added new glider tests, updated common WFP E parser.
Start of WFP_ENG__STC_IMODEM.
A few wfp eng changes.
Updates to WFP_ENG parser and parser tests.
Initial parser tests working.
Finish WFP_ENG parser tests, update unit testing framework to handle multiple data particle types.
Updated WFP_Eng driver tests.
Merge pull request #142 from emilyhahn/master

Add WFP_ENG driver and tests