Use hooked access callback.
Attempt to generate the book thumbnail, if it doesn't already exist.
Merge pull request #11 from adam-vessey/7.x-thumbnail

Attempt to generate the book thumbnail, if it doesn't already exist.
Merge pull request #10 from adam-vessey/7.x-hooked-access

Use hooked access callback.
adding in travis.yml file and updated README
added right islandora solution pack book
added in the clone of islandora to travis file
added dependencies to travis file
Added user 1 for drush call
fixed coding standards
Merge pull request #12 from philsogaDGI/7.x

Setup Travis and Tests
Carry through changes of Islandora constants.
Merge pull request #13 from adam-vessey/7.x-constants

Carry through changes of Islandora constants.