Added  GrowlNotifier Sublime Text 2 plugin

Here is my GrowlNotifier plugin which send notifications by specific user events.
At the moment it's support a few user events but i try to add more.
If there any language mistakes i will correct them.
![screenshot](https://f.cloud.github.com/assets/2790389/32566/ee96870c-5026-11e2-905c-56312b03098e.png)