updates to docs, alignment, miscellaneous

[eclare108213]

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:
  updated docs, fixed/reverted alignment and other unwanted changes
• 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.
  ENTER INFORMATION HERE
• 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 document the changes in detail, including why the changes are made. This will become part of the PR commit log.

ice_flux:

• moved swuvrdf,f and swpardr,f initializations out of allocate routine and into initialization routine
• specified which allocation command ran out of memory

ice_init:

• fixed misalignments

ice_step_mod:

• reverted alignment, TLAT, TLON, n changes to code in main

docs:

• added apnd_sl, tscale_pnd_drain, tr_pond_sealvl
• generalized troubleshooting comments for ponds and noted mass calculation inconsistencies
• moved saltflux_option into S section

[eclare108213]

@dabail10 @apcraig
I did this very quickly, without having set up cice for testing locally. I'm happy to fix problems tomorrow...
I found a few things that were out of place so went ahead and fixed them, even though they weren't pond related.