Adding new animations, items and effects

This pull request has the following new features:

* Added a new enemy ( Dracozombie ) as well as its field and battle animations.
* Added two spells, Forblaze and Fimbulvetr.
* Added tomes to item catalog. 
* Added a new enemy (King) as well as its field and battle animations. Field sprite will be scaled up.
* Tried to fix up the rigid edges of the battle guis. It should be okay now.