Refactor ting_openformat.entities.inc. Moved Entity classes into separate files in the lib folder
add fields for Content tags
Tests updated
rename class file
Fix for deprecated functions
alter analytic content view
add function to parse analytic content
Check if analytic content isset
Merge branch 'feature/822-add_content_tags' into develop

Conflicts:
	ting_openformat.controllers.inc
	ting_openformat.entities.inc
	ting_openformat.install