Merge pull request #976 from billsacks/doc_source_release

Bring documentation source to clm5.0 release branch

.gitattributes

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+*.svg filter=lfs diff=lfs merge=lfs -text
+*.png filter=lfs diff=lfs merge=lfs -text
+*.jpg filter=lfs diff=lfs merge=lfs -text
+*.jpeg filter=lfs diff=lfs merge=lfs -text
+*.gif filter=lfs diff=lfs merge=lfs -text
+*.pdf filter=lfs diff=lfs merge=lfs -text

.lfsconfig

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+[lfs]
+        fetchexclude = *

doc/Makefile

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+# Minimal makefile for Sphinx documentation
+#
+
+# You can set these variables from the command line.
+SPHINXOPTS    =
+SPHINXBUILD   = sphinx-build
+SPHINXPROJ    = clmdoc
+SOURCEDIR     = source
+BUILDDIR      = build
+
+# Put it first so that "make" without argument is like "make help".
+help:
+	@$(SPHINXBUILD) -M help "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
+
+# Before building html or pdf, obtain all of the images. This is needed
+# because we have configured this repository (via an .lfsconfig file at
+# the top level) to NOT automatically fetch any of the large files when
+# cloning / fetching.
+html: fetch-images
+latexpdf: fetch-images
+fetch-images:
+	git lfs pull --exclude=""
+
+.PHONY: help fetch-images Makefile
+
+# For the pdf, we only build the tech note, but use the conf.py file in
+# the top-level source directory (the -c option says where to find
+# conf.py). Note that we also override the setting of
+# numfig_secnum_depth in order to have figure numbering as desired in
+# the pdf, given that the pdf just contains the tech note, so doesn't
+# have the top-level numbering present in the web documentation (where
+# top-level section 1 is the User's Guide and section 2 is the Tech
+# Note).
+#
+# The use of $(0) is as in the catch-all target.
+latexpdf:
+	$(SPHINXBUILD) -M $@ "$(SOURCEDIR)/tech_note" "$(BUILDDIR)" -c "$(SOURCEDIR)" -D numfig_secnum_depth=1 $(SPHINXOPTS) $(O)
+
+# Catch-all target: route all unknown targets to Sphinx using the new
+# "make mode" option.  $(O) is meant as a shortcut for $(SPHINXOPTS).
+%: Makefile
+	$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)