Added CSS processing to Makefile. Rewrote minification instructions

Makefile

@@ -36,23 +36,37 @@ JS_FILES = \
 	src/models/stackedArea.js \
 	src/models/stackedAreaChart.js \
 	src/outro.js
+CSS_FILES = \
+	src/nv.d3.css
 
 JS_COMPILER = \
 	uglifyjs
 
-all: nv.d3.js nv.d3.min.js
+CSS_COMPILER = \
+	cssmin
+
+all: nv.d3.js nv.d3.min.js nv.d3.css nv.d3.min.css
 nv.d3.js: $(JS_FILES)
 nv.d3.min.js: $(JS_FILES)
+nv.d3.css: $(CSS_FILES)
+nv.d3.min.css: $(CSS_FILES)
 
 nv.d3.js: Makefile
 	rm -f $@
 	cat $(filter %.js,$^) >> $@
 
+nv.d3.css: Makefile
+	rm -f $@
+	cat $(filter %.css,$^) >> $@
+
 %.min.js:: Makefile
 	rm -f $@
 	$(JS_COMPILER) nv.d3.js >> $@
 
-clean:
-	rm -rf nv.d3.js nv.d3.min.js
+%.min.css:: Makefile
+	rm -f $@
+	$(CSS_COMPILER) nv.d3.css >> $@
 
 
+clean:
+	rm -rf nv.d3.js nv.d3.min.js nv.d3.css nv.d3.min.css

README.md

@@ -58,23 +58,21 @@ We are currently changing our branch structure so that master will be gauranteed
 
 ---
 
-Minifying your fork:
+## Minifying your fork:
 
-The Makefile requires [UglifyJS](https://github.com/mishoo/UglifyJS).
+### Using Make
+The Makefile requires [UglifyJS](https://github.com/mishoo/UglifyJS) and [CSSMin](https://github.com/jbleuzen/node-cssmin)
 
-The easiest way to install is to install via npm. Run `npm install
-uglify-js` from your home directory, then add the output from `npm bin`
-into your path so that you have access to `uglifyjs` from the command
-line (remember to restart your terminal window when adding to the path.)
+The easiest way to install UglifyJS and CSSMin is via npm. Run `npm install -g uglify-js cssmin`. After installing verify the setup by running `uglifyjs --version` and `cssmin --help`.
 
-Once you have `uglifyjs` command available, running `make` from your
+Once you have the `uglifyjs` and `cssmin` commands available, running `make` from your
 fork's root directory will rebuild both `nv.d3.js` and `nv.d3.min.js`.
 
-Without UglifyJS, you won't get the minified version when running make.
+Without UglifyJS of CSSMin, you won't get the minified versions when running make.
 
-## use grunt
+### Using Grunt
 
-You can use grunt insteadof makefile to build js file. See more about [grunt](http://gruntjs.com/).
+You can use grunt instead of makefile to build js file. See more about [grunt](http://gruntjs.com/).
 ***[Nodejs](http://nodejs.org/) must be installed before you can use grunt.***
 Run `npm install` in root dir to install grunt and it's dependencies.