Make verbose_iterable get unicode titles
Prevent datafield without subfields
Remove LiveSync related code
Restructure/split indico.core.signals
Separate signal namespaces
Use the new signal namespaces
Update signal docstring
Remove obsolete indico.ext.register
Add fieldset in i-form

fixes indico/indico-plugins#2
Add form_rows macro
Add empty row when no data available
Template inheritance for new admin pages (plugins)
Fix alembic migrations
Render dropdown select field labels as single-line
Fix error border for textarea/select fields
Make Settings columns NOT NULL
Sort event management menu entries from plugins
Introduce light-yellow color
Create qtip-warning
Add has-warning class