third_party/selenium directory structure s/b set up by "pysaunter.py --new"

[mmaypumphrey]

"pysaunter.py --new" does not create the required third_party/selenium directory needed by the pysaunter framework, which is confusing to somebody getting started....

adobe-MacBookPro:huh mmaypump$ pysaunter.py --new
adobe-MacBookPro:huh mmaypump$ ls
conf conftest.py logs modules pytest.ini scripts support
adobe-MacBookPro:huh mmaypump$

SUGGESTED FIX: Have pysaunter.py create the third_party/selenium structure, and then output a message that says:

"Download the latest Selenium standalone .jar file to third_party/selenium, then create a symbolic link named latest.jar that points to the downloaded .jar file."

[adamgoucher]

All these are remnants of when py.saunter was 'shipped' by cloning this repo. Closing this one as it is really a side effect of issue 1