cleanup
added basic relation feature
updated views and relation rendering (WIP)
all fields rendering (WIP)
fixed variable visibility and docs
fixing merge, fixed API changes
fixes due to API changes
Merge branch 'master' into develop
fixing merge
Merge commit '95bf9a1f238aa6c4e17e9233b3ab68570303c8a9' into HEAD

Conflicts:
	crud/Generator.php
	crud/default/views/_form.php