Make derivative generation optional.

By default, derivatives will only be generated if they do not already
exist on the given object. If it does exist, we do nothing.
Update islandora_large_image.info

Changed to have the proper solution pack name.
Add clipping to large image when seadragon is the viewer (ONTIME-1262).
Removal of dds.
7.x grammar fixes
Merge pull request #58 from daitken/7.x

7.x grammar fixes
Code styling and fixes per codereview.
Merge conflicts.
Merge pull request #57 from jordandukart/7.x

Add clipping to large image when seadragon is the viewer (ONTIME-1262).
change OBJ mime to tif, thus making batch_importer happy. avessey++ pmurray++
yank ORDERED attribute
Merge pull request #59 from ruebot/7.x

change OBJ mime to tif, thus making batch_importer happy. avessey++ pmur...
Changed Parameter Type Hinting to only use the top level Abstract class
Merge branch '7.x' of git://github.com/Islandora/islandora_solution_pack_large_image into 7.x

Conflicts:
	includes/derivatives.inc
Merge pull request #55 from adam-vessey/7.x

Make derivative generation optional.
Change mimetype back.

"image/tiff" is correct... It's just our Mimedetect class which is/was
returning the incorrect mimetype.
Merge pull request #63 from adam-vessey/7.x-fix-mime

Change mimetype back.
Merge branch '7.x-fcrepo4' of git://github.com/nigelgbanks/islandora_solution_pack_large_image into 7.x-nigel-merge

Conflicts:
	includes/derivatives.inc
Merge pull request #64 from jonathangreen/7.x-nigel-merge

7.x nigel merge
add my changes to flvc now