switched artist detail to spottily
dealt with more corner cases

"did you mean?" comes back with good results a lot of the time, so that "play the song bob dylan" comes back with "Did you mean one of the following?" and has a list of 2 bob dylan songs.
updated spotify api
Merge branch 'master' of https://github.com/niloch/ShoutOut-Server

Conflicts:
	dialogue.py
fixed typo
switched back to postgres
return error if transcription empty
stopword filter
added artist to search for better results
removed stopword filtering
removed biographies
Merge branch 'master' into local_env

Conflicts:
	application.py
	dialogue.py
	new_dialogue.py
	shoutout/rest/Artist.py