Tiny() comparison, and GMI photolysis cleanup
Non-zero diff (small) when WetRemoval detects values between zero and tiny() -- NOTE: cases of this have been seen when using GCC compiler, but not (yet) for Intel compiler
- Revision to the GMI FastJ photolysis, mostly removing outdated versions, and clarifying an index range.
- In the shared wet-removal routine, replaced "GT zero" with "GT tiny", to avoid usage of extremely small numbers; this is technically non-zero-diff for aerosols, and impact should be minimal.
- Minor housekeeping.