Nora Normal Map Editor

Major release features:

• Added toggle to hide/display preview grid, Allowing full view of model.

• Added functionality for custom matcap textures can be added by just including them in the 'Textures/Matcaps'
  folder.

• Now can import non-square height maps for editing.

• Bug Fix : Applied proper default texture when preview textures removed.

• Bug Fix : Draw skipping when drawing beyond borders fixed.