update: canvascontainer for zoom rate;
add: menu in mainwindow to have a basic room owner function;
update: newroomwindow to save key of room.

Signed-off-by: liuyanghejerry <liuyanghejerry@126.com>
update .gitignore
append: more ignore files.

Signed-off-by: liuyanghejerry <liuyanghejerry@126.com>
Merge branch 'master' of gitcafe.com:liuyanghejerry/painttyWidget into dev
minor changes.
add: notice for in room user that room will close.
add: notice for non-owner user to close room.

Signed-off-by: liuyanghejerry <liuyanghejerry@126.com>
对布局进行调整，以及试试中文
icon files name fix & reset some properties to default
add: stub canvas size inputbox.

Signed-off-by: liuyanghejerry <liuyanghejerry@126.com>
update translations
add: dynamic canvas size during runtime.

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