Original commit message from CVS:
* gst/gstevent.c:
Little documentation improvment.
* gst/gstpreset.c:
More TODO cleanups. Remove c++ comments.
* libs/gst/controller/gstcontroller.c:
Add TODO and use quark from static string.
* tests/check/gst/gstmessage.c:
* tests/check/gst/gststructure.c:
Use quark from static string.