Merge pull request #27 from collective/tomgross-smallfixtures

correctly check for plone.namedfile
pin setuptools to satisfy travis-ci
pin zc.buildout version < 2.2.0 to fix bootstrapping
manually merge pull request 28
fix autoselecting first image scale
Update po file (pt_BR)
Merge pull request #31 from hersonrodrigues/patch-1

Update po file (pt_BR)
Added Russian translations
Merge pull request #32 from bogdangi/master

Added Russian translations
find image-fields in behaviors