Added Pinq

PHP Integrated query, a real Linq library for PHP.
Update README.md

Added Drest under the Rest and API section. More details on this tool can be found here: http://leedavis81.github.io/drest/
Update README.md
Added Tracy debugging library
Added Yii2 framework
Added AspectMock library
Adds PHPTAL as templating library.
Add Zxcvbn-php

Add @bjeavons' Zxcvbn-php library
Added Totem
Added JoliCi to continuous integration part
Add missing I18n section.
Add print_o
Added PHPCheckstyle
Add CssToInlineStyles to Email section

Added https://github.com/tijsverkoyen/CssToInlineStyles, useful for inlining CSS so it works in more email clients.
Added Restler Framework

Restler converts object oriented php code to web api
Updated Propel's description.
Update README.md
added known list of IDEs
fix typo
Add CommonMark PHP

This is currently the only parser (AFAIK) with full support for the CommonMark spec.