* fix flake8 folder
* fix flake8 folder in python2
* comment out flake8
* comment out flake8
* comment out flake8
* comment out flake8
* comment out flake8
* Switches python generators to use pytest, useNose CLI option added if to allow nose to be used instead
* Adds ensure-up-to-date changes
* Adds setup.cfg to python clients so we can configure nose when useNose=true
* Adds fix for python-aiohttp testing, adds files missing from ensure-up-to-date
* Adds composed model support for allOf oneOf anyOf
* Moves discriminator into discriminator() class method, adds test_deserialize_lizard, adds setting discriminator using allOf schema
* Adds python-experimental generator
* Adds python-experimental samples folder which uses its own v2 spec
* Adds enusre-up-to-date updates
* Removes samples/client/petstore/perl/t/AnotherFakeApiTest.t
* Removes comment line from python-experimental generator
* Reverts perl docs file
* Updates perl sample client
* Adds python-experimental to pom.xml
* Copies the python test foldeers tests and testfiles into python-experimental
* Copies python test folder into python-experimental
* Moves python testing from Travis (samples pom.xml profile) to Circlci (samples.circleci pom.xml profile)
* Adds python-experimental pom.xml
* Adds python-experimental makefile and .sh files
* Chenges python-experimental to use gitignored venv rather than .venv which is not ignored when testing
* Adds dev-requiremnts.txt and removes .travis.yml from python-experimental so CI tests will pass
* Moves python-experimental from CicleCI to Travis to get support for multiple python environments
* Updates generator java comment so CI tests will run over again
