Use MomentJS library to handle times

Before:
![moment_before](https://cloud.githubusercontent.com/assets/724736/3919041/211fda66-23a2-11e4-86c5-c45b88e8ef49.png)

After:
![moment_after](https://cloud.githubusercontent.com/assets/724736/3919044/24ab863a-23a2-11e4-851a-7acf11059111.png)

[MomentJS](http://momentjs.com/)

The time offsets are updated every 5 seconds (just like the EVE Clock) and you can still have access to the full timestamp when you hover the text.