i18n: give Log view it's own name

AndroidManifest.xml

@@ -44,7 +44,7 @@
                 android:name="android.hardware.usb.action.USB_DEVICE_ATTACHED"
                 android:resource="@xml/device_filter" />
         </activity>
-	<activity android:name=".LogActivity" android:label="@string/app_name"
+	<activity android:name=".LogActivity" android:label="@string/app_log"
 		android:launchMode="singleTop"
 		android:parentActivityName=".HubActivity"
 		android:configChanges="orientation|keyboardHidden|screenSize"

res/values/strings.xml

@@ -5,6 +5,7 @@
 <string name="app_prefs">APRSdroid Preferences</string>
 <string name="app_map">APRSdroid Map</string>
 <string name="app_hub">APRSdroid Hub</string>
+<string name="app_log">APRSdroid Log</string>
 <string name="app_sta">Station Info</string>
 <string name="app_messages">Messages</string>
 <string name="app_messages_clear">Clear Messages</string>