Merge pull request #30 from czx0619/dev

Dev
Merge pull request #31 from czx0619/dev

Remove the top of the third page iframe and update UI
change UI & some literal
Merge pull request #32 from czx0619/dev

modify Countdown methods to the third page
add new page specially for redirect
Merge remote-tracking branch 'opentech/dev' into dev
update loading page and submitted page
add db models
Merge pull request #33 from juniwang/dev

add db models for db implementation
add justify user; move database.py; modify config.py
create logger
mask password
Merge pull request #34 from SpAiNiOr/testlog

create logger
delete config.py~ database.py~
test ssh
move database.py modify justify_user.py
add more database models
Merge pull request #36 from juniwang/dev

add more database models
remove osslab/__init__.py
Merge remote-tracking branch 'opentech/dev' into testlog