LaTeXify sam manual, add unit description to S_c

docs/tex/build-sam.sh

+
+
+# consecutively build pdf, references, pdf
+pdflatex sammy_main.tex && bibtex sammy_main.aux && pdflatex sammy_main.tex && pdflatex sammy_main.tex
+
+# To automate the build in sublime, got to Tools->Build System->New Build System
+# and create a file called LaTeX.sublime-build, with: 
+#
+# {
+# 	"shell":true,
+# 	"cmd": ["/Library/TeX/texbin/pdflatex $file && /Library/TeX/texbin/bibtex $file_base_name.aux && /Library/TeX/texbin/pdflatex $file && /Library/TeX/texbin/pdflatex $file" ],
+# 	"selector": "text.tex.latex"
+# }
+#
+# as the build environment. **Make sure that the path to TeX executables are correct!** 
+# You can then build from sammy_main.tex with COMMAND+B.
\ No newline at end of file

docs/tex/sammy_main.tex

@@ -51,6 +51,9 @@
 \usepackage[hidelinks]{hyperref}          % ,backref
 \usepackage[all]{nowidow}
 \usepackage{threeparttable}
+\usepackage{longtable}
+\usepackage{enumitem}
+\usepackage{tablefootnote}
 %\DeclareMathAlphabet{\pazocal}{OMS}{zplm}{m}{n}
 \newcommand{\Ma}{\mathcal{M}}
 \newcommand{\Mb}{\pazocal{M}}