Add basic Travis CI setup with jshint test.

.gitignore

 *.min.js
 !excanvas.min.js
+node_modules/

.travis.yml

+language: node_js
+node_js:
+	- 0.8

Makefile

@@ -7,3 +7,6 @@ all: $(patsubst %.js,%.min.js,$(filter-out %.min.js,$(wildcard *.js)))
 
 %.min.js: %.js
 	yui-compressor $< -o $@
+
+test:
+	./node_modules/.bin/jshint *jquery.flot.js

package.json

+{
+	"name": "Flot",
+	"version": "0.8.0-alpha",
+	"main": "jquery.flot.js",
+	"scripts": {
+		"test": "make test"
+	},
+	"devDependencies": {
+		"jshint": "0.9.1"
+	}
+}