Restructured OptionsBar widget.

Author: Vikas Agarwal

src/main/java/org/msrv/android/widgets/OptionsBar.java renamed to src/main/java/org/msrv/android/widgets/optionbar/OptionsBar.java

@@ -1,4 +1,4 @@
-package org.msrv.android.widgets;
+package org.msrv.android.widgets.optionsbar;
 
 import android.app.Activity;
 import android.content.Context;

src/main/java/org/msrv/android/widgets/OptionBarAwareUI.java renamed to src/main/java/org/msrv/android/widgets/optionbar/OptionsBarAwareUI.java

@@ -1,10 +1,10 @@
-package org.msrv.android.widgets;
+package org.msrv.android.widgets.optionsbar;
 
 import android.view.LayoutInflater;
 import android.view.View;
 
 
-public interface OptionBarAwareUI {
+public interface OptionsBarAwareUI {
     public View getOptionsView(LayoutInflater inflater, View optionItem);
     public View[] getOptionItems(LayoutInflater inflater);
     public boolean isAlignedRight();