Improve bower.json main field

* Add dist css and js to main field

Thanks to @fedescarpa
Closes #53

bower.json

@@ -1,6 +1,6 @@
 {
   "name": "diff2html",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "homepage": "http://rtfpessoa.github.io/diff2html/",
   "description": "Fast Diff to colorized HTML",
   "keywords": [
@@ -27,7 +27,10 @@
     "type": "git",
     "url": "git://github.com/rtfpessoa/diff2html.git"
   },
-  "main": "./src/diff2html.js",
+  "main": [
+    "./dist/diff2html.js",
+    "./dist/diff2html.css"
+  ],
   "license": "MIT",
   "moduleType": [
     "globals",
@@ -35,10 +38,11 @@
   ],
   "ignore": [
     "**/.*",
-    "node_modules",
-    "bower_components",
     "package.json",
     "release.sh",
-    "config.jscs.json"
+    "circle.yml",
+    "css",
+    "src",
+    "test"
   ]
 }