7php.com added to websites section
Add Task to build tool section
Update README.md
Added "Composer Checker".
Added Securing PHP: Core Concepts

Added Securing PHP: Core Concepts by Chris Cornutt to the book list.
Added PHP.ug to the websites-section

On PHP.ug you can find an overview of all PHP-Usergroups known to the maintainers. It's also the source of the usergoup-list on php.net/ug.php
add hrbridauth
Add ByteUnits library in 'Text and Numbers' section
Remove trailing whitespaces
Merge pull request #120 from gabrielelana/trailing-whitespaces

Remove trailing whitespaces
Merge pull request #111 from mavrck/master

Added Securing PHP: Core Concepts
Adding Phansible
Description tweaks.
Merge pull request #101 from ronanguilloux/patch-1

Validating section: +1 PHP library
Description tweak.
Change link caption of cebe/markdown

I choose this name instead of just "Markdown" to make it more distinguishable.

Thanks fore mentioning it here, btw :)
Merge pull request #100 from mbfisher/master

Add Task to build tool section
Merge pull request #115 from coodoing/master

add hrbridauth to thirdparty apis
Description tweak.
add APC