fix compile warning
no windows includes on non windows systems (fix #1337)
comment out broken IRI converting code (causes SIGTRAP in wxWidgets)
add engine download support (not functionally yet)
fix compile warning
add missing return
add support for OPENBATTLEEX / engine version set by battle
fix order of init
fix wx2.9 compile
try to fix ConvToIRI
simplify download handling
fix wxString usage
re-add "setup" in battleroom tab