Commits on Oct 12, 2018

1. Wait for Eos message on the bus for signalling global end-of-stream …

   Each appsink will signal eos individually and considering the first
   one's eos as the global end-of-stream might cause the pipeline to be
   shut down before all other appsinks are done processing their data.
   
   The Eos message on the bus is only sent once *all* sinks are
   end-of-stream.
   
   Fixes #151

   

   sdroege committed Oct 12, 2018

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