Upgrading packages if available
Merge branch 'master' of https://github.com/timvideos/gst-switch
Fixing paths to use local version of gst-switch instead of global
Correcting method calls
Adding test-driver to gitignore
Adding libvo-aacenc-dev to the setup
GCOV_PREFIX not working. Applying coveralls to tools directory
Merge pull request #60 from hyades/master

Fixes travis build. Corrections in integration and performance tests run by the API.