* Convert IsoFileFormats.cpp into a class.
* Use wxFile and wxFileInputStream instead of windows/posix specific file functions.
* Added new ScopedAlloc classes, which are very simple dependency-free templates for exception-safe allocations.
* FastFormatString: Improved performance ad fixed an obscure bug.
* Drag&Drop (UI) - Improved the friendliness and responsiveness, so that PCSX2 doesn't end up tying up an explorer window while it prompts the user or issues error messages.
git-svn-id: http://pcsx2.googlecode.com/svn/branches/wxIsoFile@3934 96395faa-99c1-11dd-bbfe-3dabce05a288