[book] add autoload section from code and fix sphinx warnings
* drop misleading faq entry since clear explanation can be found in internationalization chapter
* use autodata sphinx directive instead of raw text
* fill empty chapter with autodoc:
- devweb/httpcaching.rst
- devweb/resource.rst
- devweb/views/idownloadable.rst
- devweb/views/wdoc.rst
* use shebang in excerpt to denote shell code
* fix some bad indented docstrings in javascript files
add_relation_type('prefered_form')
rql('SET X prefered_form Y WHERE Y canonical TRUE, X identical_to Y')
commit()
drop_attribute('EmailAddress', 'canonical')
drop_relation_definition('EmailAddress', 'identical_to', 'EmailAddress')
if 'see_also' in schema:
sync_schema_props_perms('see_also', syncprops=False, syncrdefs=False)