release-clm5.0.37

Synopsis

Changes needed to run on Derecho. Flip the test list from Cheyenne to Derecho.
Add working PE layouts. Remove tools and tools testing. Update readme files.

What's Changed

• add smyle L83 compset and SSP3-7.0 extension by @jedwards4b in #1614
• Fix issues #1769, #1607, #1389 in release documentation by @olyson in #1781
• Fix issue #1864 in release documentation by @olyson in #1916