Add Song Folder in Game Options (#776)

* Screen Version 5

* Add Song Folder Button

* Add Song Folder Button

* Add Song Folder Button

* Add Song Folder Button

* Add Song Folder Button

* Add Song Folder Button

Output/Languages/en.xml

@@ -211,6 +211,7 @@
   <string name="TR_SCREENO_BUTTON_CREDITS">Credits</string>
   <string name="TR_SCREENO_WARNINGRESTART">Please restart the game for the changes to take effect.</string>
   <string name="TR_SCREENOGAME_BUTTON_SERVER">Server address</string>
+  <string name="TR_SCREENOGAME_BUTTON_SONGFOLDER">Add Song Folder</string>
   <string name="TR_SCREENOGAME_OPTIONS">Game Options</string>
   <string name="TR_SCREENOGAME_LANGUAGE">Language</string>
   <string name="TR_SCREENOGAME_DEBUGLEVEL">Debug level</string>
@@ -221,6 +222,7 @@
   <string name="TR_SCREENOGAME_DIFFICULTY">Game difficulty</string>
   <string name="TR_SCREENOGAME_TIMERMODE">Timer mode</string>
   <string name="TR_SCREENOGAME_HIGHSCORESTYLE">Highscore style</string>
+  <string name="TR_SCREENOGAME_SONGFOLDER">Select the song folder you want to add</string>
   <string name="TR_SCREENORECORD_OPTIONS">Record Options</string>
   <string name="TR_SCREENORECORD_DEVICE">Device</string>
   <string name="TR_SCREENORECORD_INPUT">Input</string>