change references to this strange "bios" thing to BS2 internally, IPL for gui stuff (figured it's easier...) :)

dolphin loads unmodified bootrom dumps now, instead of pre-descrambled ones.
-should we allow loading pre-descrambled dumps still?
yes, segher is a supercomputer!
also make it so we only display the "failed to load fonts" message when they are accessed, like bushing suggested

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4395 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Core/DolphinWX/Src/BootManager.cpp

@@ -31,7 +31,7 @@
 	Core		Core.cpp			Init		Thread creation
 									EmuThread	Calls CBoot::BootUp
 				Boot.cpp			CBoot::BootUp()
-									CBoot::EmulatedBIOS_Wii() / GC() or Load_BIOS()
+									CBoot::EmulatedBS2_Wii() / GC() or Load_BS2()
  */
 // =============