Renamed Use Legacy Cursors option in perfs

Added credits

FIRESTORM-FEATURETABLE.txt

@@ -40,5 +40,6 @@ No_Sidebar		LGPL
 Collapsable_Nearbychat	LGPL
 InvFolderType_Icons	LGPL
 Hippos!			LGPL
-V1_MouseCursors		LGPL
+V1_MouseCursors		LGPL/Creative Commons Attribution-Share Alike 3.0
+V1_Icons			Creative Commons Attribution-Share Alike 3.0
 AFK_ExtraControls	LGPL

indra/newview/skins/default/xui/en/floater_about.xml

@@ -121,6 +121,7 @@ Starlight UI additional contributors: Alexandrea Fride, psi Merlin, Hugh Helenda
 
 Additional Artists:
 Some icons by Sammie Bennoir, some icons by Joseph Wain / glyphish.com
+Viewer 1 icons, cursors and misc art by Linden Lab
 
 Firestorm would not be possible without the decision from Linden Labs to make their Second Life viewer source code available.
 

indra/newview/skins/default/xui/en/panel_preferences_skins.xml

@@ -84,7 +84,7 @@
      follows="left|top"
      height="16"
      initial_value="true"
-     label="Use Legacy Cursors"
+     label="Use Viewer 1 style cursors"
      layout="topleft"
      left="30"
      top_pad="20"