update: use QJsonObject to replace QVariantMap;
add: Router for Manager Socket.

Signed-off-by: liuyanghejerry <liuyanghejerry@126.com>
update texts and translations
add: backend for online members list;
other minor changes.

Signed-off-by: liuyanghejerry <liuyanghejerry@126.com>
Merge branch 'master' of gitcafe.com:liuyanghejerry/painttyWidget into dev