WIP removal of duplicate about attribute in collections
fix various things according to comments
twig template test update and refactoring
README update with information about noautotag
new test for collections with the duplicate about attribute case
->parentMapping is now a string again
doc comments
getTitle needs a value in determineEntityTitle
adjustments according to comments
fix stupid bug
Merge pull request #46 from symfony-cmf/about-fix

[WIP] removal of duplicate about attribute in collections rendering