Update ChangeLog

doc/ChangeLog

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 ===============================================================
+Tag name:  ctsm1.0.dev104
+Originator(s):  sacks (Bill Sacks)
+Date:  Mon Jul  6 09:58:15 MDT 2020
+One-line Summary: Add LILAC
+
+Purpose of changes
+------------------
+
+Add LILAC: The Lightweight Infrastructure for Land-Atmosphere
+Coupling. This infrastructure consists of two major pieces:
+
+(1) A lightweight coupling infrastructure built on top of ESMF that
+    makes it easier for atmosphere models to call CTSM directly, rather
+    than using the hub-and-spoke architecture that is used by CESM.
+
+(2) A set of python-based tools for building CTSM and creating its
+    runtime inputs when running in an atmosphere model via
+    LILAC. Although these tools are built on top of cime, details of the
+    create_newcase / case.setup / case.build process are hidden from the
+    user, because many of the aspects of this workflow don't make sense
+    in the LILAC context.
+
+So far we have used LILAC to couple CTSM to WRF. There are plans to use
+the same infrastructure to couple CTSM to other regional atmosphere
+models.
+
+Documentation of LILAC is provided in
+https://escomp.github.io/ctsm-docs/versions/master/html/lilac/index.html
+(though there are still some missing sections), as well as in various
+presentations on the wiki
+(https://github.com/ESCOMP/CTSM/wiki/Presentations).
+
+There have been many contributors besides myself to the development,
+testing and documentation of LILAC; chief among them being Mariana
+Vertenstein, Negin Sobhani, Joe Hamman, Sam Levis, Mike Barlage and Dave
+Lawrence.
+
+Bugs fixed or introduced
+------------------------
+
+Issues fixed (include CTSM Issue #):
+- See issues in the Done column of https://github.com/ESCOMP/CTSM/projects/23
+
+Known bugs introduced in this tag (include github issue ID):
+- Although LILAC is working to first order, there is still some work to
+do. See outstanding issues in https://github.com/ESCOMP/CTSM/projects/23
+
+
+Significant changes to scientifically-supported configurations
+--------------------------------------------------------------
+
+Does this tag change answers significantly for any of the following physics configurations?
+(Details of any changes will be given in the "Answer changes" section below.)
+
+    [Put an [X] in the box for any configuration with significant answer changes.]
+
+[ ] clm5_0
+
+[ ] ctsm5_0-nwp
+
+[ ] clm4_5
+
+Notes of particular relevance for users
+---------------------------------------
+
+Caveats for users (e.g., need to interpolate initial conditions): none
+
+Changes to CTSM's user interface (e.g., new/renamed XML or namelist variables):
+- dtime no longer specified on the namelist: just obtained from driver
+
+Changes made to namelist defaults (e.g., changed parameter values): none
+
+Changes to the datasets (e.g., parameter, surface or initial files): none
+
+Substantial timing or memory changes: none
+
+Notes of particular relevance for developers: (including Code reviews and testing)
+---------------------------------------------
+NOTE: Be sure to review the steps in README.CHECKLIST.master_tags as well as the coding style in the Developers Guide
+
+Caveats for developers (e.g., code that is duplicated that requires double maintenance): none
+
+Changes to tests or testing:
+- Added LILACSMOKE test
+
+Code reviewed by: self
+
+
+CTSM testing:
+
+ [PASS means all tests PASS and OK means tests PASS other than expected fails.]
+
+  build-namelist tests:
+
+    cheyenne - ok
+
+    Baseline comparisons fail as expected. One test failed, but it also
+    failed for me on master (https://github.com/ESCOMP/CTSM/issues/1074)
+
+  tools-tests (test/tools):
+
+    cheyenne - not run
+
+  PTCLM testing (tools/shared/PTCLM/test):
+
+    cheyenne - not run
+
+  python testing (see instructions in python/README.md; document testing done):
+
+    (any machine) - pass on my mac
+
+  regular tests (aux_clm):
+
+    cheyenne ---- pass
+    izumi ------- pass
+
+If the tag used for baseline comparisons was NOT the previous tag, note that here:
+
+
+Answer changes
+--------------
+
+Changes answers relative to baseline: NO
+
+
+Detailed list of changes
+------------------------
+
+List any externals directories updated (cime, rtm, mosart, cism, fates, etc.): none
+
+Pull Requests that document the changes (include PR ids):
+https://github.com/ESCOMP/CTSM/pull/1068
+
+===============================================================
+===============================================================
 Tag name:  ctsm1.0.dev103
 Originator(s):  slevis (Samuel Levis, SLevis Consulting LLC,303-665-1310)
 Date:  Mon Jun 29 17:16:29 MDT 2020

doc/ChangeSum

@@ -1,5 +1,6 @@
 Tag                   Who      Date  Summary
 ============================================================================================================================
+  ctsm1.0.dev104    sacks 07/06/2020 Add LILAC
   ctsm1.0.dev103   slevis 06/29/2020 Gridcell-level error-check for methane (CH4)
   ctsm1.0.dev102 erik/ole 06/26/2020 Some important fixes for LUNA in clm5_0, and small urban issue in clm5_0
   ctsm1.0.dev101 ole/erik 06/17/2020 Changes from Keith to bring a list of variables to the parameter file