Add back grunt-contrib-compress.

Should automate the release process.

Gruntfile.js

@@ -405,7 +405,27 @@ module.exports = function (grunt) {
           branch: 'gh-pages'
         }
       }
+    },
+
+    compress: {
+      main: {
+        options: {
+          archive: 'bootstrap-<%= pkg.version %>-dist.zip',
+          mode: 'zip',
+          level: 9,
+          pretty: true
+        },
+        files: [
+          {
+            expand: true,
+            cwd: 'dist/',
+            src: ['**'],
+            dest: 'bootstrap-<%= pkg.version %>-dist'
+          }
+        ]
+      }
     }
+
   });
 
 
@@ -494,7 +514,7 @@ module.exports = function (grunt) {
   grunt.registerTask('lint-docs-js', ['jscs:assets']);
   grunt.registerTask('docs', ['docs-css', 'docs-js', 'lint-docs-js', 'clean:docs', 'copy:docs']);
 
-  grunt.registerTask('prep-release', ['dist', 'docs', 'jekyll:github', 'compress']);
+  grunt.registerTask('prep-release', ['dist', 'docs', 'jekyll:github', 'htmlmin', 'compress']);
 
   // Publish to GitHub
   grunt.registerTask('publish', ['buildcontrol:pages']);