Remove redundant delete spec for text layers
Adds animation layers. Also clean up some tests.
Store image resolution to proper attributes instead of width/height
Show '(disabled)' in block edit screen for inactive layers.
Merge pull request #55 from dhawt/animation_layers

Animation layers
Merge pull request #56 from dhawt/fix_image_layers

Store image resolution to proper attributes instead of width/height
Syntax cleanup
Merge pull request #58 from dhawt/show_layers_as_inactive

Show '(disabled)' in block edit screen for inactive layers.