Merge pull request #40 from wamberg/develop

Timeline and List augmentation
ensure widget modals have unique id's
Merge pull request #41 from LibraryOfCongress/feature/fix_widget_creation

ensure widget modals have unique id's
make all editor modals full screen
exhibit modified date clean up
Merge pull request #42 from LibraryOfCongress/feature/full_screen_modals

Feature/full screen modals
Add augmented properties to property editor without reloading the page.
Set currentItemIndex on newly created augmented property in the property editor.
Add some error handling to status checks that happen before an AugmentTransaction is stored in the database for the property editor.
Merge branch 'feature/augmentation-transitions' into develop