correct ks units, clean up comments, bug fix for BL99 enthalpy calculation

[eclare108213]

• Short (1 sentence) summary of your PR:
  Bug fix for BL99 and minor cleanup:

• correct ks units in dEdd code

• clean up comment statements

• uncomment enthalpy calculation when temperature is adjusted, for BL99 thermo (bug fix)

• Developer(s):
  @eclare108213

• 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.
  base_suite is BFB:

196 measured results of 196 total results
196 of 196 tests PASSED
0 of 196 tests PENDING
0 of 196 tests MISSING data
0 of 196 tests FAILED

It's likely that results with BL99 thermo will not be BFB if/when the bug fix condition is hit.

• How much do the PR code changes differ from the unmodified code?
  • bit for bit except for BL99 bug fix (occasionally)
  • different at roundoff level
  • more substantial
• Does this PR create or have dependencies on CICE or any other models?
  • 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/.)
  • Yes
  • No, does the documentation need to be updated at a later time?
    • Yes
    • No
• Please provide any additional information or relevant details below:
  Closes Bug in init_vertical_profile for BL99 thermodynamics  #450

[apcraig]

This looks fine. Would you like me to run a regression test suite?

[eclare108213]

I have a base_suite regression test running now - looks good so far.

[eclare108213]

base_suite came back fully BFB, although results could change in longer runs with BL99. Ready for review/merge.