Add arg verbose to control logging

[WenjieDu]

What does this PR do?

1. fixing Add an argument verbose for all models #394;

Before submitting

• Was this discussed/approved via a GitHub issue? Please add a link to it if that's the case.
• I have commented my code, particularly in hard-to-understand areas.
• I have written necessary tests and already run them locally.

[coveralls]

Pull Request Test Coverage Report for Build 9332569119

Details

• 3 of 4 (75.0%) changed or added relevant lines in 1 file are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage increased (+0.004%) to 84.033%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pypots/base.py	3	4	75.0%

Files with Coverage Reduction	New Missed Lines	%
pypots/forecasting/csdi/model.py	1	83.82%

Totals
Change from base Build 9332559780:	0.004%
Covered Lines:	9673
Relevant Lines:	11511

---

💛 - Coveralls