added env option, added bullet install script
pygame installation added
added panda3d installation and test
added use repo and requirements
fixed panda 3d installation, several test fixes
test name fixes
fixed venv dir
moved test configs to appropriate dirs
added test script
fixed tests locally
Merge remote-tracking branch 'remotes/origin/master' into loco_dependencies

Conflicts:
	robustus/detail/install_scipy.py
	robustus/detail/requirement.py
	robustus/robustus.py
checking for pip and easy_install to find out problem on test server
testing that module is available using import
non parallel pytest ini
git ignore
workaround for pygame
pygame now is cached in robustus cache
added --no-index option, testing that package is not only installed, but also cached
added bc specific versions of panda/bullet/pygame
fixed typos