Setup guide, now win32 & ios is ready, put to README.md required.

[halx99]

Now 3rd bin for win32 & ios is ready, after thus, then you can do follow to run cpp-tests:
Win32

python download-deps.py
mkdir build
cmake -A Win32 ..
cmake --build . --config Debug --target cpp-tests

ios xcode:

brew update
brew install git
brew install cmake
brew install autoconf
brew install automake
brew install libtool
sudo xcode-select -switch /Applications/Xcode.app/Contents/Developer
mkdir build
cd build
cmake .. -GXcode -DCMAKE_SYSTEM_NAME=iOS -DCMAKE_OSX_SYSROOT=iphoneos -DCMAKE_C_COMPILER=/Applications/Xcode.app/Contents/Developer/usr/bin/gcc -DCMAKE_CXX_COMPILER=/Applications/Xcode.app/Contents/Developer/usr/bin/g++
cmake --build . --config Debug --target cpp-tests

[halx99]