fixes #17 correct display for duration/current position of audios >= 10min
Change database to use when testing against dummy to mysql.
fixes typo in travis.yml
Changelog entry concerning the switch to mysql for testing
Merge pull request #56 from kioopi/use_mysql_for_tests

Use mysql for tests
Merge pull request #49 from upsworld/cm-audio-time-fix

fixes #17 correct display for duration/current position of audios >= 10m...
prevent loading undefined thumbnail url in editor

fixes #20

remove 404 request during file processing.