Top navigation bar timestamp now timezone aware
Top navigation bar timestamp now timezone aware

Previous implementation used time.time() now we are using datetime.

Fixes #224

opinkerfi/adagios,opinkerfi/adagios,zengzhaozheng/adagios,kaji-project/adagios,kaji-project/adagios,kb2ma/adagios,opinkerfi/adagios,kaji-project/adagios,kb2ma/adagios,kb2ma/adagios,kaji-project/adagios,kb2ma/adagios,zengzhaozheng/adagios,zengzhaozheng/adagios,opinkerfi/adagios,zengzhaozheng/adagios