dynamic file mapping to avoid themes hardcoded in gruntfile

Gruntfile.js

@@ -36,19 +36,15 @@ module.exports = function(grunt) {
 				}
 			},
 			themes: {
-				files: {
-					'css/theme/black.css': 'css/theme/source/black.scss',
-					'css/theme/white.css': 'css/theme/source/white.scss',
-					'css/theme/league.css': 'css/theme/source/league.scss',
-					'css/theme/beige.css': 'css/theme/source/beige.scss',
-					'css/theme/night.css': 'css/theme/source/night.scss',
-					'css/theme/serif.css': 'css/theme/source/serif.scss',
-					'css/theme/simple.css': 'css/theme/source/simple.scss',
-					'css/theme/sky.css': 'css/theme/source/sky.scss',
-					'css/theme/moon.css': 'css/theme/source/moon.scss',
-					'css/theme/solarized.css': 'css/theme/source/solarized.scss',
-					'css/theme/blood.css': 'css/theme/source/blood.scss'
-				}
+				files: [
+					{
+						expand: true,
+						cwd: 'css/theme/source',
+						src: ['*.scss'],
+						dest: 'css/theme',
+						ext: '.css'
+					}
+				]
 			}
 		},
 

css/theme/README.md

@@ -17,7 +17,5 @@ Declares a set of custom variables that the template file (step 4) expects. Can
 3. **Override**
 This is where you override the default theme. Either by specifying variables (see [settings.scss](https://github.com/hakimel/reveal.js/blob/master/css/theme/template/settings.scss) for reference) or by adding any selectors and styles you please.
 
-4. **Include [/css/theme/template/theme.scss](https://github.com/hakimel/reveal.js/blob/master/css/theme/template/theme.scss)**
-The template theme file which will generate final CSS output based on the currently defined variables.
-
-When you are done, run `css-grunt themes` to compile the Sass file to CSS and you are ready to use your new theme.
+4. **Run `css-grunt themes`**
+This will compile your theme CSS. It's now ready to use.