gst-play: add option to supply media files from playlist file

https://bugzilla.gnome.org/show_bug.cgi?id=728845
rtpbuffer: fix memory leak when gst_rtp_buffer_map fails

Make sure rtp->data[3] is set before jumping to error path.

https://bugzilla.gnome.org/show_bug.cgi?id=729117
sdpmessage: Add array length annotation to gst_sdp_message_parse_buffer

https://bugzilla.gnome.org/show_bug.cgi?id=729123
audiodecoder: Make caps writable before fixating

https://bugzilla.gnome.org/show_bug.cgi?id=729114
Add mikey.h file
win32: fix export files again

Revert unintended parts of d8a0927930a87a2eb60d4c98cb3fea8aed911b27
videotestsrc: fix undefined behaviour of left-shift

With a small type for the color values being left-shifted, the result is
undefined and it could potentially overflow.

https://bugzilla.gnome.org/show_bug.cgi?id=729195
rtspconnection: Add more tests

Fixes https://bugzilla.gnome.org/show_bug.cgi?id=728907
rtspconnection: Empty queue when flush.

Empty the watchs queue when calling
gst_rtsp_watch_set_flushing with flushing variabel is TRUE.

Fixes https://bugzilla.gnome.org/show_bug.cgi?id=728772
rtcpbuffer: check claimed data size against available size

Coverity 1208773
subtitleoverlay: Don't block on non-serialized events

https://bugzilla.gnome.org/show_bug.cgi?id=729321
playsinkconvertbin: Don't block on non-serialized events

https://bugzilla.gnome.org/show_bug.cgi?id=729321
playsink: Don't block on non-serialized events

https://bugzilla.gnome.org/show_bug.cgi?id=729321
playbin: Don't block on non-serialized events

https://bugzilla.gnome.org/show_bug.cgi?id=729321
sdp: Add some more gobject-introspection annotations for bindings

https://bugzilla.gnome.org/show_bug.cgi?id=729123
rtpbasepayload: restrict initial random sequence number to be <= 32767

In order to prevent SRTP roll over counter issues the initial sequence
number is restricted to <= 32767. This is recommended by RFC 4568 section 6.4.
videodecoder: do not parse caps for not using it

Saving some cpu
rtpbuffer: avoid underflow in size calculation
rtspdefs: remove outdated comments