Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
... it imports a bunch of data and then stays with message "importing" but does nothing ...
Solution:
Modify /etc/mysql/my.conf and change max_connections from 100 to say 500.
restart mysql
Now it works like a charm !