[ISSUE-214] Fix admin brand button link
Add support for adding organizations using the admin interface
Add validation to the post model
Add a asterisk to required fields on forms
Add website prefix to allow Mauris hompeage specific actions
Add a page to show all organizations having a Mauris installation
Fix the schedule loading error caused by the new API

it appears the new schedule API doesn't work very good at the moment
so this switches the schedule back to the old API.