rename gst-launch --> gst-launch-1.0
replace old elements with new elements(ffmpegcolorspace -> videoconvert, ffenc_** -> avenc_**)
fix caps in examples
https://bugzilla.gnome.org/show_bug.cgi?id=759432
Original commit message from CVS:
* ext/resindvd/resin-play:
Remove $@ to fix parse_launch warning
* ext/resindvd/resin-play2:
Add a version that uses deinterlace and xvimagesink.