Allow for the deletion of Caret annotations

Seems poppler just renders them fine, so we set them to externally rendered and allow annotation
FIXED-IN: KDE Applications 15.08
BUGS: 350740

core/document.cpp

@@ -3293,6 +3293,7 @@ bool Document::canRemovePageAnnotation( const Annotation * annotation ) const
         case Annotation::AHighlight:
         case Annotation::AStamp:
         case Annotation::AInk:
+        case Annotation::ACaret:
             return true;
         default:
             return false;

generators/poppler/annots.cpp

@@ -341,6 +341,7 @@ Okular::Annotation* createAnnotationFromPopplerAnnotation( Poppler::Annotation *
         case Poppler::Annotation::AGeom:
         case Poppler::Annotation::AHighlight:
         case Poppler::Annotation::AInk:
+        case Poppler::Annotation::ACaret:
         {
             externallyDrawn = true;
             /* fallback */