Improve enum assertions generation. Make it possible to use enums that are not part of some class and make use of the class name in the gst-style output if the enum belongs to a class.
Improve enum assertions generation.
Make it possible to use enums that are not part of some class and make use
of the class name in the gst-style output if the enum belongs to a class.

iperry/qt-gstreamer,shadeslayer/qtgstreamer,detrout/qt-gstreamer,dejunk/gstreamer,cyndis/qtgstreamer,ylatuya/qt-gstreamer,knuesel/qt-gstreamer,comicfans/libqtgstreamer,dejunk/gstreamer,tswindell/qt-gstreamer,dejunk/gstreamer,freedesktop-unofficial-mirror/gstreamer__qt-gstreamer,iperry/qt-gstreamer,tswindell/qt-gstreamer,nasserGanjali/QtGStreamer,nasserGanjali/QtGStreamer,knuesel/qt-gstreamer,GStreamer/qt-gstreamer,cyndis/qtgstreamer,detrout/qt-gstreamer,ylatuya/qt-gstreamer,cyndis/qtgstreamer,freedesktop-unofficial-mirror/gstreamer__qt-gstreamer,GStreamer/qt-gstreamer,ylatuya/qt-gstreamer,knuesel/qt-gstreamer,GStreamer/qt-gstreamer,shadeslayer/qtgstreamer,nasserGanjali/QtGStreamer,tswindell/qt-gstreamer,comicfans/libqtgstreamer,freedesktop-unofficial-mirror/gstreamer__qt-gstreamer,shadeslayer/qtgstreamer,comicfans/libqtgstreamer,detrout/qt-gstreamer,iperry/qt-gstreamer