Unit tests: cleaned up outdated / unused / commented out code.
Remove dead code
Clarified versionadded on EntityListeners feature.
Add versionadded tags to many ffeatures in the docs.
Dont mention 2.2 version in headers anymore.
Update theme
Fix versionadded for IDENTITY()
Use inflector for add/remove methods
Merge pull request #594 from v3labs/master

Use inflector in EntityGenerator
Fixed broken code block in documentation
Missing link to a cookbook in the docs

The cookbook existed in the docs but there was no link to it in the docs.
alias the proxy class on import to avoid "already exists" error
Reverted incorrect typo fix -_-
Typo
Merge pull request #597 from MDrollette/fix-proxy-interface

use the extended proxy interface in the same namespace
Removed unnecessary <?php from the docs
Merge pull request #596 from mnapoli/patch-2

Missing link to a cookbook in the docs
Merge pull request #599 from alexcarol/fix/docs

Removed unnecessary "<?php" from the docs
Added $isIdentifierColumn documentation

I've added the documentation of the argument $isIdentifierColumn since in case of foreign composite keys it doesn't 
Added 'contains' comparison