Log Message:
Update gstreamer1 and its plugins to 1.10.4.

### 1.10.4

The third 1.10 bug-fix release (1.10.4) was released on 23 February 2017.
This release only contains bugfixes and it should be safe to update from 1.10.x.

#### Major bugfixes in 1.10.4

 - Various fixes for crashes, assertions, deadlocks and memory leaks on fuzzed
   input files and in other situations (CVE-2017-5847, CVE-2017-5848)
 - More regression fixes for souphttpsrc redirection tracking
 - Regression fix for gmodule on 32 bit Android, which was introduced as part
   of the 64 bit Android fix in 1.10.3 and broke the androidmedia plugin
 - Various bugfixes for regressions and other problems in the V4L2 plugin
 - Fix for 5.1, 6.1 and 7.1 channel layouts for Vorbis
 - Fixes for timestamp generation of Android video encoder element
 - gst-libav was updated to ffmpeg 3.2.4, fixing a couple of CVEs
 - ... and many, many more!