Merge refactor variable to string

Inaaa maapin sarah. Makasi Inaa :)

app/src/main/java/id/ac/ui/cs/myui/activity/epic_1/calendar/CalendarActivity.java

@@ -47,7 +47,7 @@ public class CalendarActivity extends DrawerActivity {
 
         FrameLayout contentFrameLayout = (FrameLayout) findViewById(R.id.content_bookmark); //Remember this is the FrameLayout area within your activity_main.xml
         getLayoutInflater().inflate(R.layout.activity_calendar, contentFrameLayout);
-        setTitle("Kalender Akademis");
+        setTitle(getResources().getString(R.string.nav_calendar));
 
         final Context ctx = getApplicationContext();
         calendarHelper = new CalendarHandler(ctx);