mpich2 3.1.1

Update to the latest release of MPICH (3.1.1)

Closes #30440.

Signed-off-by: Brett Koonce <koonce@gmail.com>
euca2ools: setuptools 5.2

Closes #30430.

Signed-off-by: Brett Koonce <koonce@gmail.com>
pike: 7.8.866

Closes #30453.

Signed-off-by: Brett Koonce <koonce@gmail.com>
brew stack (untested)