Right now there is no simple way to change the task type name.
The tasks are managed from the DLTK code, at some future version we
would like to introduce the way to specify task/problem types for each
nature, but the changes should be made in several places, that's why it
is not implemented yet.
> Is there a way to (simply) change the task type name in tasks View ?
> I would like to have "My task type name" (like "Java Task" for example)
> rather than "DLTK Task".