Modal form notifications and customization
* added custom title and prompt properties to form, to be overridden in derived classes
* added form messages for all bootstrap levels + notice
* all of the above is rendered on modal form on the client side
Merge branch 'master' into modal_form_notifications_and_customization

Conflicts:
	app/assets/javascripts/deckhand/controllers.js
Merge pull request #3 from elvanja/modal_form_notifications_and_customization

Modal form notifications and customization