- various ui & general updates:
 * upgraded backbone.marionette to latests version v1.0.0 rc6 , updates various views etc to match (new onDomRefresh event, correct onStart etc in apps )
 * upgraded backbone.forms to latest
 * updated layout for code editor (simplified view handling thanks to new Marionette's features)
 * fixed issues with settings view
 * updated modal & dialog helper regions, added workaround for multi-modal bug in twitter bootstrap, aswell as adding back the draggable/resizeable
attributes of the code editor (a bit buggy for now as far as dragging/resizing goes though)
 * fixed #59 by setting a correct z-index for dialog regions