gst-libs/gst/sdp/gstsdpmessage.c: Fix parsing of the c= field containing multicast...

gst-libs/gst/sdp/gstsdpmessage.c: Fix parsing of the c= field containing multicast addresses.

Original commit message from CVS:
Based on Patch by: Tero Saarni <tero dot saarni at gmail dot com>
* gst-libs/gst/sdp/gstsdpmessage.c: (gst_sdp_parse_line),
(print_media), (gst_sdp_message_dump):
Fix parsing of the c= field containing multicast addresses.
Fixes #552199.
Add the connection info to the session or streams.
Fix parsing of the bandwidth.
Add debugging for the connections and bandwidths for a media.
Add debugging for the bandwidth of the session.