added doctrine tags to reference
Documented 'Entities & Entity mapping' section
Documented "translation" section
Clearified controllers as services
Merge pull request #2583 from pvolok/doctrine_tags

Added doctrine tags to the reference
Link to UserProviderInterface correction
Corrects exception controller name
Update introduction.rst

Changed $_FILE to $_FILES
Merge pull request #2612 from langj/fix-controller-name

Corrects exception controller name
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
Updated dom_crawler.rst
Voters should refer to authorization, not authentication.

Voters have nothing to do with authentication, only authorization.  I have updated the terminology as such.  I was caught by this when trying to build custom authentication due to the terminology of this page.
[#2636] Backporting syntax fix