New Intro, Explosions, New Diary Interaction

Hi all! Just a quick little update. 

I've completed updated the diary system which now works with a dynamic 3D book. 

The UI has also been improved and also some small lighting tweeks, however I think it might be a tad too dark. What do you think? 

I've also added random shell explosions which go off while the player navigates the map.

Implementing sound will be the next step. 

Thanks!