* new feature: implemented a small widget that shows the current
selection position and the selection borders
* new feature: context menu for the signal widget (right mouse button)
* improved file open dialog: show "All Files" and "All Supported Files"
* bugfix: error in handling of mouse selection
* bugfix: recording only used the first channel
(closes sourceforge bug #1551050)
* install plugins kde_moduledir/plugins/kwave instead of