Trap solve_zsal = true at initialization

[apcraig]

For detailed information about submitting Pull Requests (PRs) to the CICE-Consortium,
please refer to: https://github.com/CICE-Consortium/About-Us/wiki/Resource-Index#information-for-developers

PR checklist

• Short (1 sentence) summary of your PR:
  Trap solve_zsal=true at initialization, update test suites

• Developer(s):
  apcraig

• Suggest PR reviewers from list in the column to the right.

• Please copy the PR test results link or provide a summary of testing completed below.
  Bit-for-bit full test suite on cheyenne, https://github.com/CICE-Consortium/Test-Results/wiki/cice_by_hash_forks#d735df9d9bf9e17428c892f5ad74513f56ca875b

• How much do the PR code changes differ from the unmodified code?

  • bit for bit
  • different at roundoff level
  • more substantial

• Does this PR create or have dependencies on Icepack or any other models?

  • Yes
  • No

• Does this PR update the Icepack submodule? If so, the Icepack submodule must point to a hash on Icepack's main branch.

  • Yes
  • No

• Does this PR add any new test cases?

  • Yes
  • No

• Is the documentation being updated? ("Documentation" includes information on the wiki or in the .rst files from doc/source/, which are used to create the online technical docs at https://readthedocs.org/projects/cice-consortium-cice/. A test build of the technical docs will be performed as part of the PR testing.)

  • Yes
  • No, does the documentation need to be updated at a later time?
    • Yes
    • No

• Please provide any additional information or relevant details below:

• remove zsal tests

• rearrange a few test suites

• update zsal documentation