ruby: fix typo in name of Exception class
Adapted to new base function regarding orientation angle extraction
fix the ShowHideEventFilter in case 'obj' is not a window

It gets installed on the vizkit3d plugins, which are children
of some windows and therefore can get the WindowStateChangedEvent

Fix the filter to look for the parent window
fixed blocking behavior of port.reachable? in vizkit
Merge branch 'master' of git://gitorious.org/rock-gui/vizkit
integrate the ability to export widgets grab at truly regular intervals to create movies
implement generic grabbing for all Qt widgets
typelib_qt: try to be more informative and less "catch all errors"
vizkit_items: cleanup adding ports
Workaround for Ticket #409

Orocos.rb: NumericType: `==': wrong argument type nil (expected Data) (TypeError)
Merge branch 'next'
vizkit_items: checking if we are in the right column for updates

This solves the bug where properties and ports get called twice.
Once with the old value and once with the new.
fix some unit tests
ConnectorObjects: add support for port policies
widget_task_connector: support for code blocks

widget.connect_to task_proxy do
   connect PORT("my_port) do |data|
   end
end
Widget Task Connection: add unit test for buffered connections
Allows to plot the frequency of the base/Time data in the plot2d widget.
use Orocos::Async.proxy in rock-plot
Merge branch 'master' of git://gitorious.org/rock-gui/vizkit
StateViewer: update to Async API