change UI for ssid entry

res/layout/firstrunview.xml

@@ -36,7 +36,7 @@
 			android:layout_marginRight="10sp"
 			android:singleLine="true"
 			android:inputType="textCapCharacters"
-			android:hint="@string/p_callsign_nossid"
+			android:hint="@string/p_callsign"
 			/>
 		<EditText
 			android:id="@+id/passcode"

res/xml/preferences.xml

@@ -8,8 +8,9 @@
         <EditTextPreference
                 android:key="callsign"
 		android:inputType="textCapCharacters"
-		android:title="@string/p_callsign"
+		android:title="@string/p_callsign_nossid"
 		android:summary="@string/p_callsign_summary"
+		android:hint="@string/p_callsign_nossid"
 		android:dialogTitle="@string/p_callsign_entry" />
 
         <EditTextPreference