started types implementation
renamed types view
implemented basic view and delete for types
prototyped UI for adding fields to a type
more UI prototyping
fixed cancel button
tweak to UI prototype
fields added to types are persisted
added ability to remove fields and success notifications when altering
fields on a type
added icon for types
renamed ContentType to Type
added field type to fields listing
implemented creating content of different types
added screen for creating fields
added UI for adding values for dropdown fields
created fields are persisted
fixed bugs in creating dropdown fields
removed unused code
fixed bugs with adding/removing hierarchical field values
fixed minor error