Stf-appium-client

What's Changed
* bring appium client wrapper by jupe in https://github.com/OpenTMI/stf-appium-python-client/pull/16
* replace nosetests with pytest


**Full Changelog**: https://github.com/OpenTMI/stf-appium-python-client/compare/v0.7.0...v0.8.0

What's Changed
* fix links for published packet by jupe in https://github.com/OpenTMI/stf-appium-python-client/pull/14
* improve appium integration by jupe in https://github.com/OpenTMI/stf-appium-python-client/pull/15


**Full Changelog**: https://github.com/OpenTMI/stf-appium-python-client/compare/v0.6.1...v0.7.0

changes
13 require online device when allocating

New:
* 11 cli option to list only devices based on given requirements
* 11 support nested requirements