Update README.md

Author: Ckimchris

README.md

@@ -5,13 +5,23 @@
 Before you begin please do a git clone and then an install of EMSCRIPTEN on your local machine. 
 
 $ git clone https://github.com/juj/emsdk.git
+
 $ cd emsdk
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 $ ./emsdk install latest
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 $ ./emsdk activate latest
+
+
  or
+ 
+ 
 $ git clone https://github.com/juj/emsdk.git
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 $ cd emsdk
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 $ ./emsdk install --build=Release sdk-incoming-64bit binaryen-master-64bit
+
 $ ./emsdk activate --build=Release sdk-incoming-64bit binaryen-master-64bit
 
 Additional instructions about webAssembly and general questions can be directed here: http://webassembly.org/getting-started/developers-guide/