Added new endpoint to similarity service to get descritor values given a sound_id and a list of descriptor names (will be useful for new API functionalities)
Refactored get_sound_descriptors functionality from similarity service
Added functionality to similarity service to get descriptor values given a list of sounds
Fixed normalization in new similarity service endpoints
Small bugfixes in new similarity service endpoints
More bufixes in new similarity endpoints
Merge branch 'master' into frederic
Merging with master, updating similarity server
Moved similarity settings to similarity_settings.example.py, ignoring similarity_settings.py
Merge branch 'production' of github.com:MTG/freesound into production
Merge branch 'master' of github.com:MTG/freesound
Merge branch 'master' into production