Merge branch '3.0' of https://github.com/goagent/goagent into SayCV_goagent
Update proxy.ini
Update proxy.py
fix cpu 100% issue and certificate validation.
refine logging level
Merge branch '3.0' of https://github.com/goagent/goagent into SayCV_goagent
Merge branch 'SayCV_goagent' of https://github.com/SayCV/goagent into SayCV_goagent