1. Minor fixes in MSVS 2010 project files.
2. Prepared for Qt 5 migration (minor fixes in #include).

git-svn-id: https://asio-samples.svn.sourceforge.net/svnroot/asio-samples/trunk@760 b0109a4c-6076-47d0-973a-9f9728c2f665
Minor fixes in MSVS 2012 project files.

git-svn-id: https://asio-samples.svn.sourceforge.net/svnroot/asio-samples/trunk@761 b0109a4c-6076-47d0-973a-9f9728c2f665
MS Windows Unicode support added to async_connect & asio_performance_test_client projects.

git-svn-id: https://asio-samples.svn.sourceforge.net/svnroot/asio-samples/trunk@762 b0109a4c-6076-47d0-973a-9f9728c2f665