better egg classifiers
use p.a.tesing baseclass
pep8ify
new plonebrowser needs transaction commit
another commit was necessary
document changes
Merge pull request #19 from plone/tomgross-ptc

Ported to plone.app.testing
Added registry settings for IContentSettings. Includes download behaviour
  of blobs based on mimetype patterns. (code in plone.app.blob)
resolved strange merge conflict after rebase *shrug*