Fixes for S60 5th platform.
Also changed default config for S60 3rd and 5th to use Open Signed.
EXPORTS
_ZN19MIosrvConsoleHelper11WriteStdErrERK7TDesC16 @ 1 NONAME
_ZN19MIosrvConsoleHelper24CleanupUnderlyingConsoleEv @ 2 NONAME
_ZN19MIosrvConsoleHelper26HandleConsoleCreationErrorERK7TDesC16i @ 3 NONAME
_ZN19MIosrvConsoleHelper29MIosrvConsoleHelper_ExtensionEjRPvS0_ @ 4 NONAME
_ZN19MIosrvConsoleHelper7MessageENS_10TVerbosityE11TRefByValueIK7TDesC16Ez @ 5 NONAME
_ZN19MIosrvConsoleHelper8SetDebugEi @ 6 NONAME
_ZNK19MIosrvConsoleHelper5DebugEv @ 7 NONAME
_ZTI19MIosrvConsoleHelper @ 8 NONAME
_ZTV19MIosrvConsoleHelper @ 9 NONAME
_ZNK19MIosrvConsoleHelper17UnderlyingConsoleEv @ 10 NONAME