7.x binary tests
deleted defunct argument
Merge pull request #1 from Islandora/7.x

update 7.x
image assertion should be working now
datastream validation
Merge pull request #59 from qadan/7.x

7.x datastream validation
adding imagemagick to the travis build
set default imagemagick convert variable
Merge pull request #62 from qadan/7.x

adding imagemagick to the travis build