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.
Merge remote branch 'upstream/7.x' into flvc