Minor UI improvements.

- close contextual menu after an item is selected
- collapse the search widget after a search request is sent
- show keyboard by default for the editors
- in the search list, if edit or delete is selected in the contextual
  menu, close the search list since its content will get changed.
- enable QueryRefinement in search widget
- do not call super.onNewIntent
- update search.xml to include imeOptions, queryAfterZeroResults, and
  set searchSuggestionThreshold to 1.

MyTracks/AndroidManifest.xml

@@ -158,8 +158,7 @@ limitations under the License.
       </intent-filter>
     </activity>
     <activity
-      android:name="com.google.android.apps.mytracks.MarkerEditActivity"
-      android:windowSoftInputMode="stateHidden" />
+      android:name="com.google.android.apps.mytracks.MarkerEditActivity" />
     <activity android:name="com.google.android.apps.mytracks.MarkerDetailActivity" />
     <activity android:name="com.google.android.apps.mytracks.MarkerListActivity" >
       <meta-data
@@ -186,8 +185,7 @@ limitations under the License.
       android:name="com.google.android.apps.mytracks.SettingsActivity" />
     <activity android:name="com.google.android.apps.mytracks.TrackDetailActivity" />
     <activity
-      android:name="com.google.android.apps.mytracks.TrackEditActivity"
-      android:windowSoftInputMode="stateHidden" />
+      android:name="com.google.android.apps.mytracks.TrackEditActivity" />
     <activity android:name="com.google.android.apps.mytracks.TrackListActivity" >
       <intent-filter>
         <action android:name="android.intent.action.MAIN" />