Implement AbstractListView
Add FilterListViewItem and FilterParamItem as usability classes for the FilterListView
Complete definition of FilterListView
Implement FilterParamItem to provide a direct representation of a FilterParam in the view
Implement FilterListViewItem
Implement FilterListView
Adjust vcxproj files
Add AbstractListViewItem to unify the usage of all ListviewItems
Add FilterListView to the user interface
Fix minor bug that prevented compiling
Adjust the vcxproj files
Merge branch 'viewDieZweite' into Präsentation
Fix "no such signal" bug
Fix problem with "vanishing" controllers
Cosmetic changes of the user interface
Simplify comonent's arrangement in the InsertionWidgets
Disbale FilterInsertion and Playerfunctions when no player is specified
Change ListedPushButton to QToolButton to enable an easy way of removing a video. Adjust ThumbnailListwidget to work with the new button
Fix bug which preventedthe communication between PlayerFunctions and PlayerController
Add second test video to program