Replace strcmp with c++ equivalent when comparing std::strings.
Replace constness cast
Make MTGGameZone::countByType use string instead of char*

and replace strcmp with std::string operator== calls.
Replace more strcmp with std::string::compare or std::string::operator==.

This commit also enables TinyXML STL support.
Fix a few string bugs add StartsWith for strings
Remove bool CardInstance::hasSubtype(const char * _subtype)

There exists bool CardInstance::hasSubtype(const string& _subtype) and the
const char* version converts _subtype into string deeper in the call
hierarchy anyway. So both methods did the same.
Substitute more char arrays with strings
Speedup MTGAllCards::countByType a bit
Make getMenuText() return string.
Add TIXML_USE_STL compiler flag to psp makefile to make headers compatible
Add TIXML_USE_STL to android builds
Use tabs instead of spaces if the file uses tabs
Fixes Windows project