Add DLL project to hook

This project will be inject other process and hook WndProc.
For more, this commit contains some other setting like changing output
file name(32/64), adding solution platform(x64).
Remove DLLInjector class

Since last commit, the method of injecting dll change using
SetWindowsHookEx() not CreateRemoteThread().
Add WM_MOVE message hook

This hook procedure print x and y coordinates when WM_MOVE message
received.

※ To show this x and y coordinates, you install debug viewer program
like DebugView in www.sysinternals.com
Merge remote-tracking branch 'origin/master' into test