title: gitignore for VHDL project
body: <p>I'm beginning to work on an already started project in VHDL: many simulations and compiling have already been done on this project.</p>
  
  <p>I decided to use Git to be able to work from many computers but I still have to push the files to the repository. Since the project is full of .exe and other compile output files it takes forever to upload (I know Git is very in efficient in the conversion to binary files).</p>
  
  <p>However it's the first time I work with VHDL so I can't distinguish between source files and simulation/compile outputs.</p>
  
  <p>I'm working on a Xilinx Spartan-6, with the Xilinx ISE (can't tell if it's the WebPack or the Design Suite, but I'd say the WebPack)</p>
  
  <p>What file extensions should I include in the <code>.gitignore</code>?</p>