Code cleanup, and updated access callback to not rely on relationships
Merge https://github.com/MorganDawe/islandora_solution_pack_book into 7.x
Merge branch '7.x' of https://github.com/Islandora/islandora_solution_pack_book into 7.x
updated according to code review.
As per code review, i have removed the vassardora book metadata tab and moved it into the vassardora module.
Removed reference to the mods read only form
Merge pull request #86 from MorganDawe/7.x

7.x
Use hooked access callback.
Merge branch '7.x' of github.com:Islandora/islandora_solution_pack_book into 7.x-hooked-access

Conflicts:
	theme/theme.inc
Merge pull request #87 from adam-vessey/7.x-hooked-access

Use hooked access callback.
Make ISLANDORACM the same as 6.
Merge pull request #90 from jordandukart/7.x

Make ISLANDORACM the same as 6.
Missing ISLANDORA-CM for page content model in 7.
Formatting and new line.
Merge pull request #91 from jordandukart/7.x

Missing ISLANDORA-CM for page content model in 7.
added travis file and updated README
updated travis file
Merge pull request #94 from philsogaDGI/7.x

Setup Travis and Tests