remove processing that is not used
remove unnecessary processing
common plugin processiong
Merge remote-tracking branch 'upstream/master' into develop

Conflicts:
	tests/lib/decorator/tests.py
remove unused imports
read requirements.txt in setup.py
use to find a free port
debug ci
Remove unnecessary function call
Merge remote-tracking branch 'upstream/master' into develop
Merge pull request #26 from narusemotoki/develop

Develop