Replace all __unicode__ methods to __str__ and the
@python_2_unicode_compatible decorator.
Replace all instance of smart_str, smart_unicode, force_uncode
with force_text.
Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>
Add a new workflow field called internal_name for easier workflow
reference in document index templates.
Generalize the PropertyHelper class.
Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>