Someone really smart decided to change web_kanban by moving something
from web to web_kanban. This makes sense, but it is a problem because
the code in web is not shared between enterprise and community, but
web_kanban is shared.
Also, it was put in kanban_view. If we have a module system in
javascript, is might be a good idea to use it.
So, this commit moves the code in a new file, and update the code to
the last version from enterprise. Yay for two codebase in parallel.
Géry Debongnie
84197b51ee