moved both templates to use underscores

letter_template/Makefile

@@ -0,0 +1,21 @@
+#!/usr/bin/make
+
+all: $(patsubst %.tex,%.pdf,$(wildcard *.tex)) 
+pdf: all
+
+%.pdf: %.tex
+	rubber -fd $<
+
+clean: 
+	rubber -d --clean *.tex
+	rm -f *.tmp
+	rm -f figures/*.pdf
+
+viewpdf: all
+	evince *.pdf
+
+spell:
+	aspell -c -t --tex-check-comments -b text.tex
+
+
+.PHONY: clean all