IC:2021-05-11, Combine cfe and osal

nasa/cFE#1492, cFE v6.8.0-rc1+dev575
nasa/osal#996, osal v5.1.0-rc1+dev434

nasa/cFE#1487, Remove broken travis-ci script
nasa/cFE#1463, generated coverage stubs for CFE core
nasa/cFE#1463, Move CFE_FS_RunBackgroundFileDump to internal API
nasa/cFE#1451, OSAL config file simplification
nasa/cFE#1489, removes --quiet option so files checked go to stdout

nasa/osal#978, configuration guide updates
nasa/osal#974, improve documentation of UtAssert API calls
nasa/osal#977, update OS_TaskCreate doc
nasa/osal#997, Enable cppcheck results output
nasa/osal#980, Scrub return values
nasa/osal#992, add local mutex to BSP console
nasa/osal#993, do not require nonblock mode