Add documentation for various editor options.

README.md

@@ -716,7 +716,13 @@ Editors can accept options which alter the behavior in some way.
 *  `disable_collapse` - If set to true, the collapse button will be hidden (works for objects and arrays)
 *  `disable_edit_json` - If set to true, the Edit JSON button will be hidden (works for objects)
 *  `disable_properties` - If set to true, the Edit Properties button will be hidden (works for objects)
+*  `enum_titles` - An array of display values to use for select box options in the same order as defined with the `enum` keyword. Works with schema using enum values.
+*  `expand_height` - If set to true, the input will auto expand/contract to fit the content.  Works best with textareas.
+*  `grid_columns` - Explicitly set the number of grid columns (1-12) for the editor if it's within an object using a grid layout.
 *  `hidden` - If set to true, the editor will not appear in the UI (works for all types)
+*  `input_height` - Explicitly set the height of the input element. Should be a valid CSS width string (e.g. "100px").  Works best with textareas.
+*  `input_width` - Explicitly set the width of the input element. Should be a valid CSS width string (e.g. "100px").  Works for string, number, and integer data types.
+*  `remove_empty_properties` - If set to true for an object, empty object properties (i.e. those with falsy values) will not be returned by getValue().
 
 ```json
 {