* Installs python3.9 in node3
* Moves python clients into separate node so they can use a docker image
* Installs java and maven into docker
* Switches off some python tests
* python->python-legacy, python-experimental->python
* test with openjdk8
* test with openjdk11
* comment out rm
* move kotlin tests to circleci
* move kotlin tests
* move tests to circleci
* fix circleci
* rearrange test
* move tests
* use wrapper
Co-authored-by: Justin Black <justin.a.black@gmail.com>
* Removes future from python-exp v3 sample
* Removes future from python-exp v2 sample
* Deletes future from remaining python-exp files
* Removes six from python-exp templates
* Removes six from python-exp samples
* Removes mock from python-exp
* Python-exp switched to py3
* Removes python 2.7 for python-exp ci testing
* Requires python>=3.3 for python-exp
* Reverts unnecessary changes to two templates
