some rewrite of DatabaseWidgets

Signed-off-by: anti-freak <antifreak2011@gmail.com>
bugfix of WorldObjectPrototype

Signed-off-by: anti-freak <antifreak2011@gmail.com>
some GameLauncher improvements

Signed-off-by: anti-freak <antifreak2011@gmail.com>
basic "DynamicObjectDatabaseWidget" implementation

Signed-off-by: anti-freak <antifreak2011@gmail.com>