Metadata cleanup

Signed-off-by: Dominik Schadow <dominikschadow@googlemail.com>
Source cleanup

Signed-off-by: Dominik Schadow <dominikschadow@googlemail.com>
Source cleanup

Signed-off-by: Dominik Schadow <dominikschadow@googlemail.com>
Added new visual plug-ins

Signed-off-by: Dominik Schadow <dominikschadow@googlemail.com>
Added new visual plug-ins
Removed discouraged access

Signed-off-by: Dominik Schadow <dominikschadow@googlemail.com>
Source cleanup

Signed-off-by: Dominik Schadow <dominikschadow@googlemail.com>
Source cleanup

Signed-off-by: Dominik Schadow <dominikschadow@googlemail.com>