added sunra/html simple dom parser, some progress in entity saving
Merge branch 'master' of https://github.com/khamkham/crowd-watson into arne

Conflicts:
	app/controllers/ProcessController.php
more fields are saved to DB. Changed Job to hold multiple HIT's instead of just one. Commented exception line in Entity and added if !empty check before setting _id.
redid job retrieval to create an Annotation for every unit instead of every assignment.