Support <Return> Key for AuthPage.
Merge remote-tracking branch 'mozilla/v2.0' into v2.0

Conflicts:
	view/page.py
Merge pull request #164 from askeing/v2.0

Support <Return> Key for AuthPage.
Add the unittest of logger.
Merge pull request #165 from askeing/v2.0

Add the unittest of logger.
Bug fix for printErr function in controller