server: add clustering for server

Signed-off-by: Sergey Gaichuk <sergey.gaychuk@gmail.com>
Signed-off-by: Sergei Ianovich <ynvich@gmail.com>
implement winston logging from slave stdout and stderr

Signed-off-by: Sergey Gaichuk <sergey.gaychuk@gmail.com>
Signed-off-by: Sergei Ianovich <ynvich@gmail.com>