Change `main` property to use non-minified files for bower.

https://github.com/noraesae/perfect-scrollbar/issues/133

bower.json

@@ -7,9 +7,8 @@
   ],
   "description": "Tiny but perfect jQuery scrollbar plugin",
   "main": [
-    "min/perfect-scrollbar.min.css",
-    "min/perfect-scrollbar.min.js",
-    "min/perfect-scrollbar.with-mousewheel.min.js"
+    "src/perfect-scrollbar.css",
+    "src/perfect-scrollbar.js"
   ],
   "license": "MIT",
   "ignore": [