Update JSHint pattern to include colorhelpers.

Makefile

@@ -1,12 +1,15 @@
-# Makefile for generating minified files
+# Flot Makefile
 
 .PHONY: all
 
-# we cheat and process all .js files instead of an exhaustive list
+# The default behavior is to minify all our JavaScript files
+
 all: $(patsubst %.js,%.min.js,$(filter-out %.min.js,$(wildcard *.js)))
 
 %.min.js: %.js
 	yui-compressor $< -o $@
 
+# Flot's Travis test suite runs JSHint with the options in .jshintrc
+
 test:
-	./node_modules/.bin/jshint *jquery.flot.js
+	./node_modules/.bin/jshint jquery.*.js