added document describing which coding style guidelines Pivy should adhere to for consistency reasons. i.e. Coin HACKING for C/C++ code; PEP8 and PEP257 for Python code.
added document describing which coding style guidelines Pivy should adhere to
for consistency reasons. i.e. Coin HACKING for C/C++ code; PEP8 and PEP257
for Python code.

looooo/pivy,looooo/pivy,looooo/pivy