ts def typo fix and addtions

Author: panjiesw

components/autocomplete/index.d.ts

@@ -81,7 +81,7 @@ interface AutocompleteProps extends ReactToolbox.Props {
    * If true, the list of suggestions will not be filtered when a value is selected.
    * @default false
    */
-  showSuggestionsWHenValueIsSet?: boolean;
+  showSuggestionsWhenValueIsSet?: boolean;
   /**
    * Object of key/values or array representing all items suggested.
    */

components/date_picker/index.d.ts

@@ -134,6 +134,10 @@ interface DatePickerProps extends ReactToolbox.Props {
    * Callback to be invoked when the dialog overlay is clicked.
    */
   onOverlayClick?: Function;
+  /**
+   * The input element will be readonly and look like disabled.
+   */
+  readonly?: boolean;
   /**
    * Classnames object defining the component style.
    */