Documented 'Entities & Entity mapping' section
Documented "translation" section
Clearified controllers as services
add missing word
Update cookbook/form/data_transformers.rst

there is an added ';' in this line
->add('dueDate', null, array('widget' => 'single_text'))
in the end
Fixed build errors
Merge pull request #2632 from WouterJ/fix_build_errors

Fixed build errors
Removed extra backtick after link to method of the api documentation
Merge pull request #2601 from WouterJ/update_override_docs

Update override article
[#2601] Very minor tweaks to overriding article
Fixed missing - in the yml
Merge branch '2.0' into 2.1