trying to reduce verbosity of output
Merge branch 'master' into travis_ci

Conflicts:
	robustus/detail/install_panda3d.py
reduced verbosity of panda install script
using unpack function
fixed unpack
using info logging level in tests to send some log to travis and avoid build termination
disabled per test capture for pytest to avoid build termination by travis-ci
typo fixed
using download and unpack function in install scripts
installing libsdl-dev for pygame
apt-get update to fix index
modified install scripts to use download/unpack, opencv test added
fixed unpack, added pyside test
pep8
using download and unpack for pyside post install
Merge remote-tracking branch 'remotes/origin/master' into travis_ci
pep8
upgraded pip
upgraded setuptools
wheel setup and skip pyside test on travis