Add a full featured cqi Javascript client for cqi_over_sio

app/corpora/__init__.py

app/corpora/cqi_over_sio/__init__.py

app/corpora/cqi_over_sio/cqi.py

app/corpora/cqi_over_socketio/utils.py

app/static/js/cqi/api/client.js

app/static/js/cqi/api/package.js

app/static/js/cqi/client.js

app/static/js/cqi/errors.js

app/static/js/cqi/models/attributes.js

app/static/js/cqi/models/corpora.js

app/static/js/cqi/models/package.js

app/static/js/cqi/models/resource.js

app/static/js/cqi/models/subcorpora.js

app/static/js/cqi/package.js

app/static/js/cqi/status.js

app/templates/_scripts.html.j2