Clean temp folders after publishing

Gruntfile.coffee

@@ -3,10 +3,14 @@ module.exports = (grunt) ->
     
     pkg: grunt.file.readJSON("package.json")
 
-    'clean': [
+    'clean':
+      public: [
         'public/js'
         'public/css'
       ]
+      pages: [
+        '.grunt'
+      ]
 
     'mkdir':
       all:
@@ -48,7 +52,7 @@ module.exports = (grunt) ->
 
   # Cleanup public directories.
   grunt.registerTask('init', [
-    'clean'
+    'clean:public'
     'mkdir'
   ])  
 
@@ -57,3 +61,9 @@ module.exports = (grunt) ->
     'uglify'
     'cssmin'
   ])
+
+  # Publish to GitHub Pages.
+  grunt.registerTask('pages', [
+    'gh-pages'
+    'clean:pages'
+  ])

Makefile

@@ -43,7 +43,7 @@ build-css:
 
 # Publish to GitHub Pages.
 publish:
-	${GRUNT} gh-pages
+	${GRUNT} pages
 
 OPTS = --compilers coffee:coffee-script/register --ui exports