* cmake: a couple of msvc compile fixes
Throw error when using multi-config generators.
Add USE_MSVC_STATIC_CRT option for statically linking with CRT.
Set curl's CURL_STATIC_CRT aligned with USE_MSVC_STATIC_CRT.
Fix cmake configs of 7z and OpenAL in msvc build.
Remove unecessary hard coded compiling and linking flags.
Use debug option in windeployqt when configuring for a debug build.
Search for windeployqt tool in configure time.
Add vcpkg's Qt support.
* Fix some typos
