added openDialog() and focus() to docs

Author: tyfoo

docs/src/app/components/pages/components/time-picker.jsx

@@ -63,6 +63,18 @@ let TimePickerPage = React.createClass({
             header: 'TimePicker.formatTime(time)',
             desc: 'Formats the Date object to a current component\'s time format.',
           },
+          {
+            name: 'openDialog',
+            header: 'TimePicker.openDialog()',
+            desc: 'Opens the time-picker dialog programmatically. Use this if you want to open the ' +
+            'dialog in response to some event other than focus/tap on the input field, such as an ' +
+            'external button click.',
+          },
+          {
+            name: 'focus',
+            header: 'TimePicker.focus()',
+            desc: 'An alias for the `openDialog()` method to allow more generic use alongside `TextField`.',
+          },
         ],
       },
       {

src/time-picker/time-picker.jsx

@@ -120,6 +120,13 @@ const TimePicker = React.createClass({
     this.refs.input.setValue(this.formatTime(t));
   },
 
+  /**
+   * Alias for `openDialog()` for an api consistent with TextField.
+   */
+  focus() {
+    this.openDialog();
+  },
+
   openDialog() {
     this.setState({
       dialogTime: this.getTime(),