Notifications v1.0 (again!)

Okay, I've tidied up all of the code for this and i've made it a little smarter.

It currently only has two notification types, starbase low on fuel and starbase status (which will notify for anchored/online and reinforced).

It will send notifications to any user which is a member of a group which has the pos manager role assigned, and the user must be able to access that corporation. i.e. it's smart enough to distinguish between different corps and stuff. 

New Button!
![screen shot 2014-12-11 at 20 06 23](https://cloud.githubusercontent.com/assets/1621438/5401240/97d2202e-8171-11e4-92ac-6be6e99b20c8.png)

All Notifications
![screen shot 2014-12-11 at 20 06 29](https://cloud.githubusercontent.com/assets/1621438/5401251/a93f33f6-8171-11e4-880e-f4260c9a80eb.png)

Notification Detail
![screen shot 2014-12-11 at 20 06 37](https://cloud.githubusercontent.com/assets/1621438/5401256/b310bd0a-8171-11e4-8c6a-ca9826eb5360.png)