Original commit message from CVS:
* docs/plugins/Makefile.am:
* docs/plugins/gst-plugins-good-plugins-docs.sgml:
* docs/plugins/gst-plugins-good-plugins-sections.txt:
* docs/plugins/inspect/plugin-jpeg.xml:
* docs/plugins/inspect/plugin-png.xml:
* ext/jpeg/gstjpegdec.c:
* ext/libpng/gstpngdec.c: (gst_pngdec_task),
(gst_pngdec_sink_setcaps):
More docs. More logs in pngdec.