1) circuit.cabal:
   - Added Circat.Examples & Circat.Netlist.
   - Added dependencies to netlist, verilog, netlist-to-verilog and netlist-to-vhdl
2) src/Circat/Circuit.hs: Removed examples and moved them to their own src/Circat/Examples.hs file
3) src/Circat/Examples.hs:
   - Now has the examles and provides the outAll function (previously in Circuit.hs)
   - outAll also write verilog along with the .dot and pdf files
   - Removed the invocation of the pdf viewer
4) src/Circat/Netlist.hs: Provides the toV function that converts circuits to verilog
Previous checkin had errors