replace toplevel vertical layout with CssLayout
resultviewpanel is now a  verticallayout
replaced verticallayout with CssLayout
ControlPanel to VerticalLayout
reverted some previous commits since the sizing of the accordion panel in the controlpanel was wrong
ControlPanel is a VerticalLayout again
make better use of the the gridlayout in the upper part of the controlpanel
better label sizes
paging component ist now a panel any longer
always unset the count indicator
optimize the layout in order to remove some unneeded divs
adding general exception dialog
show a bug report button when available
allow to send the exception in the bug report
Styling improved
more robust count error handling
better error message dialog on completly unexpected exceptions