Artemis Customisation - Add View GAMOLA annotations function

Modification to the main menu items that are displayed when the “Option” menu is selected. The following screenshots demonstrate the difference between original Artemis and Artemis_Gamola. 
![menu](https://f.cloud.github.com/assets/5085592/2181910/cd3dd1a4-9770-11e3-8532-39fcc86083a2.png)

If “View Custom Annotation” is ticked, custom annotations are available to view. The following screenshots demonstrate the change from original Artemis to Artemis_Gamola. 
Original Artemis

![annotation](https://f.cloud.github.com/assets/5085592/2181924/aa544294-9771-11e3-8978-7efd2497b779.png)