add setIn and setOut functions to mvcp driver

Signed-off-by: Tomas Neme <lacrymology@gmail.com>
Merge branch 'jmrunge/heartbeats' into Lacrymology/mosto-backbone

* jmrunge/heartbeats:
  Removed .only() from test
  Fixed test to use done() and semaphore as expected
  Removed .only from test
  Fixed MeltedCollection to avoid appending current clip
  Improved garbage collector to remove playlists instead of melted medias and delete old xmls
  Prettyfied code and removed old things
  Moved time window from driver to core
bugfix

Signed-off-by: Tomas Neme <lacrymology@gmail.com>
make sure new Medias have ids

Signed-off-by: Tomas Neme <lacrymology@gmail.com>
handle in and out frames in Medias

Signed-off-by: Tomas Neme <lacrymology@gmail.com>
add 'blank' boolean attribute to Mosto.Media

Signed-off-by: Tomas Neme <lacrymology@gmail.com>
BlankClip should just be a set of attributes

Signed-off-by: Tomas Neme <lacrymology@gmail.com>
move blank clip handling to MeltedCollection instead of PlaylistCollection

Signed-off-by: Tomas Neme <lacrymology@gmail.com>
don't modify melted when first getting the clips list from melted

Signed-off-by: Tomas Neme <lacrymology@gmail.com>
whitespace

Signed-off-by: Tomas Neme <lacrymology@gmail.com>
Merge branch 'Lacrymology/mosto-backbone' into jmrunge/heartbeats
Logging to tests

Signed-off-by: Juan Martin Runge <jmrunge@gmail.com>