thcrap_configure: Fix a logic error with read-only repository files.
win32_utf8: Add SHGetPathFromIDList().
thcrap_configure: Use SHBrowseForFolder() to select the root game path.

Yes, I totally did not have this idea earlier. :/
thcrap_configure: Add an error case if no games were found at all.
thcrap_configure: Ask to search in another directory if no games were found.
Move the global function list out of the run configuration.
Bump version number to 2014-05-08.