Organizations : added logos [new db superuser: admin/admin]
Organizations: list all their tasks
Home : list upcoming tasks for the current user
Content : added some more tasks
Templates : various enhancements
Integrated previous header elements from Bernardo
Large conflict fixing (sorry if I broke anything)

Conflicts:
	static/karma-quest/style.css
	static/karma-quest/style.scss
	templates/base.html
	templates/menu.html