create logger
Merge pull request #34 from SpAiNiOr/testlog

create logger
test ssh
add more database models
Merge pull request #36 from juniwang/dev

add more database models
Merge remote-tracking branch 'opentech/dev' into testlog
fixed logHandler
Merge pull request #37 from SpAiNiOr/testlog

Log module issue fixed
Merge remote-tracking branch 'upstream/dev' into dev