added imagemagick to build
wasn't setting a default variable for imagemagick
set default variable value
accidentally a line
Merge pull request #77 from qadan/7.x

added imagemagick to build
Fix UI create images.
Merge pull request #78 from Islandora/7.x-fix-ui

Fix UI create images.
Merge remote branch 'upstream/7.x' into flvc
Commenting out Randy's changes and original function.  Merge brought in legacy function.
Adding Randy's changes to the new derivative functions.
Setting versionable to TRUE for OBJ datastream - TIFF derived from JP2