squash some compiler warnings
work around Win32 rename() issue using native API
certauth: case insensitive hex key comparison

As noted in issue 464, comparing the hex representation of the public
key fingerprint should be case insensitive.
certauth: improve const correctness
Fix AddServerThrottle.
Merge pull request #483 from KiNgMaR/issue464

Possible fix for issue #464
Merge remote-tracking branch 'upstream/master' into msvc
Merge pull request #481 from KiNgMaR/squash-some-warnings

squash some compiler warnings
Clean up CRegistryKey.
Merge pull request #482 from KiNgMaR/win32-file-move

work around Win32 rename() issue using native API
Patch ZNC core for more control over singleton...
Use CZNC::DestroyInstance().
Merge pull request #484 from KiNgMaR/singleton

Allow more control over CZNC singleton
Merge remote-tracking branch 'upstream/master' into msvc

Conflicts:
	modules/autoop.cpp
	src/FileUtils.cpp