Added Drush command to download library.
Removed dependency on Libraries API module.

Updated generation for smaller derivatives.
Removed makefile.

Added File field formatter.
Added help documentation.
Added a modular engine system.
Removed dependency on Image module.
Removed dependency on Seadragon Ajax library.

Added deepzoom.makefile to automatically download the seadragon library if deepzoom is installed via a makefile

Issue #1422272

 by realityloop, sduff_07: added tile_size and tile_overlap variables to settings form

Signed-off-by: Brian Gilbert <brian@realityloop.com>

Added processor hook and settings.

Signed-off-by: Brian Gilbert <brian@realityloop.com>