gst-plugins-bad: add description and set license correctly
gst-plugins-good: add description and set license correctly
gst-plugins-ugly: add description
add gnonlin 1.2.0
add gst-editing-services 1.2.0
gst-python: update to 1.2.0
Merge pull request #1975 from iyzsong/gstreamer

gstreamer: add/update packages and improve meta