* Change conditon so that L137 onwards of main CMakelists.txt is
executed fro VS project target. Main reason to do this was to make sure
project actually built with streflop.
* Change conditions after L137 so unwanted compile flags aren't added.
* Project now builds multi threaded for VS project. Tries to use max
number of cores.
* Simplify cxx flags. Remove unneeded MT and MTd flags.
* Set VS build output to mk/windoze.
* Add FPUSettings.asm to streflop in cmake, if VS project specified.
* Remove STREFLOP compile definitions. Not needed now streflop is
configured properly.
* Simplify cmake by adding "VS_BUILD" variable, instead of doing string
comparisons all the time to check if is "Visual Studio" target.
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