module_invoke_all() has been removed
entity_type argument to hook_entity_delete() was removed.
Merge pull request #29 from md-systems/module_invoke_all

#29 by Berdir: module_invoke_all() has been removed
Merge pull request #27 from md-systems/fix-hook-requirements

#27 by jamescazzetta: Fixed hook requirements to enable successful installation.
Merge pull request #28 from md-systems/updated-test-getInfo-removed

#28 by jamescazzetta: Removed getInfo() and deleted unused/missplaced test
Merge pull request #30 from md-systems/hook_entity_delete

#30 by Berdir: entity_type argument to hook_entity_delete() was removed.
Fixed deprecated function module_exists(), tests working again.
Fixed merge