For solve this issue https://code.google.com/p/formalchemy/issues/detail?id=170
Merge pull request #26 from uralbash/patch-1

update formalchemy/fields.py
Support for webhelpers optgroups

If tags.select can produce a select that uses optgroups if its options
is a tuple or a list in the form of (value, label) where value is
also a tuple or a list.

Modifies the (value, label) permutation so that it only does a
permutation of the leaves and not the structure that generates the
optgroup.
Merge pull request #28 from cormier/optgroup-support

Support for webhelpers optgroups
Modification of the sync method in order to avoid some acces to the triples store. New renders to deal with objects inhereting from rdfSubject (that is when Rdfsingle is not a Literal) and sale thing to handle RdfMultiple
Add russian translations.
Merge pull request #30 from piterimov/ru_messages

Add russian translations
Merge pull request #29 from quinode/rdf_improvement

Modification of the sync method in order to avoid some acces to the trip...
do not assume a default ordering by primary keys on relations

so that it does not override default order_by which may have been defined in
the sqlalchemy mapper:
http://docs.sqlalchemy.org/en/rel_0_7/orm/mapper_config.html#sqlalchemy.orm.mapper
configure_mappers is only available in sqlalchemy v0.7+
fix fr translation: s/Aoüt/Août/
update compiled translations using: ./bin/python setup.py update_catalog
Use dictionary %-formatting in ValidationErrors
Merge pull request #36 from bbinet/fix-fr-translation

Fix fr translation
Merge pull request #32 from bbinet/default-ordering

do not assume a default ordering by primary keys on relations
Merge pull request #33 from bbinet/configure_mappers

configure_mappers is only available in sqlalchemy v0.7+
Merge branch 'pr/38' (closes #37)
remove broken find-links urls
remove "pyramidapp" from develop section

(pyramidapp does not exist)
Revert "For solve this issue https://code.google.com/p/formalchemy/issues/detail?id=170"

This reverts commit c8dca2ef62e386ceeab173e48bbc7ada3a3fd4cc which caused a
regression (see:
https://github.com/FormAlchemy/formalchemy/pull/26#issuecomment-6910018)