Combines:

nasa/cFE#1431
nasa/osal#975
nasa/sample_lib#61

Includes:

nasa/cFE#1379, memory pool pointer type
nasa/cFE#1289, ES child task functional test
nasa/cFE#1289, typo in macro name
nasa/cFE#1286, Remove broken BUILDDIR reference
nasa/cFE#1305, remove option for "osal_compatible"
nasa/cFE#1374, CFE_SUCCESS constant type
nasa/cFE#1316, Remove Unused Error Codes
nasa/cFE#1370, better warning about malformed startup line
nasa/cFE#1373, check status of call to `CFE_ES_CDS_CachePreload`
nasa/cFE#1384, update documentation for `CFE_ES_DeleteCDS`
nasa/cFE#1385, exception logic when app/task is not found
nasa/cFE#1372, error if alignment size not a power of two
nasa/cFE#1368, remove unneeded CFE_ES_SYSLOG_APPEND macro
nasa/cFE#1382, improve documentation for resourceID patterns
nasa/cFE#1371, assert `CFE_RESOURCEID_MAX` is a bitmask

nasa/osal#972, update documentation for read/write
nasa/osal#966, add "handler" feature to utassert stub API
nasa/osal#953, Adds local makefile and bundle/local unit test actions with coverage verification
nasa/osal#971, socket accept using incorrect record
nasa/osal#959, move async console option

nasa/sample_lib#60, replace direct ref to ArgPtr with macro

…tarted-in-contributing-guide

Fix #231, Rename Getting Started in Contributing.md