message: Update BuildingForEveryPlatform.md
  The rustup-user instructions should come first 'cause most people are gonna be using Rustup.
diff: @@ -124,18 +124,18 @@ All you need to install is the SDL2 libraries but it's a pain in the butt. The
  3. Copy all lib files from
  > SDL2-devel-2.0.x-VC\SDL2-2.0.x\lib\x64\
  - to (for Rust 1.6 and above)
  - > C:\Program Files\Rust\\**lib**\rustlib\x86_64-pc-windows-msvc\lib
  + to the Rust library folder. For Rustup users (most common), this folder will be in
  + > C:\\Users\\{Your Username}\\.multirust\\toolchains\\{current toolchain}\\lib\\rustlib\\{current toolchain}\\lib
  +
  + or to (for Rust 1.6 and above)
  + > C:\\Program Files\\Rust\\**lib**\\rustlib\\x86_64-pc-windows-msvc\\lib
  or to (for Rust versions 1.5 and below)
  - > C:\Program Files\Rust\\**bin**\rustlib\x86_64-pc-windows-msvc\lib
  + > C:\\Program Files\\Rust\\**bin**\\rustlib\\x86_64-pc-windows-msvc\\lib
  or to your library folder of choice, and ensure you have a system environment variable of
  > LIB = C:\your\rust\library\folder
  - For Rustup users, this folder will be in
  - > C:\Users\\{Your Username}\.multirust\toolchains\\{current toolchain}\lib\rustlib\\{current toolchain}\lib
  -
  Where current toolchain is likely `stable-x86_64-pc-windows-msvc`.
  4. Copy SDL2.dll from
  