Hardening and frost mortality schemes in FATES#1865

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mariuslam wants to merge 4 commits intoESCOMP:masterfrom

mariuslam:ctsm_hardening_06_10

Commits on May 1, 2022

add tools/site_and_regional/PTCLM/
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Commits on Oct 6, 2022

Merge branch 'master' of https://github.com/ESCOMP/CTSM
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Commits on Oct 10, 2022

All changes required to the use of frosthard and hydrohard in FATES (optionf the hardening of plants)
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Revert "add tools/site_and_regional/PTCLM/"
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