very basic pick representer
fixing story routes
adding content advisories to story representer
Fall back on series image for missing story image.
get factory_girl helpers in tests
add profile to representer
merge branch master
Pull duration for API from default_audio_version.

Many stories are choosing an audio version that is shorter than the
longest one (by like a minute, in the case of the moth) which means that
the scrubber doesn't work correctly.

This just pulls that duration from the version we are choosing.
correctly calculate duration for promo-only stories with multiple promos
Merge pull request #35 from PRX/feat/story_default_series_image

Fall back on series image for missing story image.
merge branch master
merging changes from master
moving content advisory and timing and cues to model and testing it there
adding representer tests for presence of contnet advisory and timing and cues.  not sure if these are necessary
Merge branch 'master' into picks
updating schema and adding tests for picks and pick lists and updating root api representer to include staff picks
fixing broken timing and cues test
removing unusued picks route
moving STAFF_PICKS_LIST_ID to be an environment variable
removing comment block from pick list controller