GWT: x.x, Fix warning issues

Several compilation warnings issues to fix

(from redmine: issue id 288, created on 2013/07/30 by Nils Kredens)

added type::task + 1 deleted label

changed milestone to %Portal 0.7

More details needed.

(from redmine: written on 2014/02/07 by Alexey Lavrentev)

added time estimate of 1h

Became obsolete.

closed

added status::rejected label

removed 1 deleted label