cFE PR #2121 Fix #2121, remove commented out code

Approved.

PSP PR #351 Fix #350, remove commented out code

Approved.

CF PR #278 Fix #275, Remove ppt design and VDD docs from codebase

Approved.

CF PR #279 Fix #131, Reset file psn and use OS_mv for out-of-order RX MD processing

Approved.

HS PR #38 Fix #37, Add cancellation point to idle task

Approved.

CF PR #272 Fix #117, validated commands send an info event message

Approved. Specific actions defined (see comment in ticket).

cFS PR #516 Fix nasa/cFE#2112, commit and format check doesn't execute when PR title format fails

Discussed; will continue to work (see comment in ticket).