minor cleanup

app/src/main/AndroidManifest.xml

@@ -9,7 +9,7 @@
         android:label="@string/app_name"
         android:theme="@style/AppTheme">
         <activity
-            android:name="com.simplemobiletools.calculator.MainActivity"
+            android:name=".MainActivity"
             android:screenOrientation="portrait">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>
@@ -19,7 +19,7 @@
         </activity>
 
         <receiver
-            android:name="com.simplemobiletools.calculator.MyWidgetProvider"
+            android:name=".MyWidgetProvider"
             android:icon="@mipmap/ic_launcher"
             android:label="Simple Calculator">
             <intent-filter>
@@ -32,7 +32,7 @@
         </receiver>
 
         <activity
-            android:name="com.simplemobiletools.calculator.MyWidgetConfigure"
+            android:name=".MyWidgetConfigure"
             android:screenOrientation="portrait"
             android:theme="@style/MyWidgetConfigTheme">
             <intent-filter>
@@ -41,7 +41,7 @@
         </activity>
 
         <activity
-            android:name="com.simplemobiletools.calculator.AboutActivity"
+            android:name=".AboutActivity"
             android:label="@string/about"
             android:screenOrientation="portrait"/>
     </application>

app/src/main/res/values/strings.xml

@@ -1,5 +1,7 @@
 <resources>
     <string name="app_name">Simple Calculator</string>
+
+    <!-- About -->
     <string name="about">About</string>
     <string name="website">For more simple apps please visit:\nhttp://simplemobiletools.com</string>
     <string name="email_label">You can send your feedback and new app suggestions at:</string>