Extract podcasts from videos section into its own section

Use https:// prefix for redis.io to fix failing build of Url Check

Symfony version updated

Also added phproundtable.com podcast show moderated by @SammyK

Update README.md

Added book DDD in PHP.

Add UnifiedArchive project

add Docker to Infrastructure section

Add Better Reflection to Code Analysis section

* Added Voices of the ElePHPant

* FIXED Voices of the ElePHPant :)

* Added Nomad PHP Lightning Talks youtube channel

* Updated Voices of the ElePHPant to give it a description

* Fixed a typo in the Voices of the ElePHPant description.

* Corrected spelling of special

Add link to php-ml

Enable Var.CI

Change link to Functional Programming in PHP book site

Add BowerPHP a PHP implementation of Bower

Remove Slim Middleware, 3 years old

* Add tooly composer script

With the tooly composer-script aka hook you can manage needed PHAR files, such as phpunit, in your project composer.json. 
Every PHAR file will be saved in the composer binary directory. Optional with GPG verification.

* Fix url's to prevent redirection

Fix two url's to prevent redirection and fix Travis CI build.

* Change order

PHP-Mock is a library to mock built-in PHP functions (e.g. time()).

See also: https://github.com/php-mock/php-mock

Add link for BowerPHP A package manager for the web.  A PHP implementation of Bower

Add CircleCI

* Update README URLs based on HTTP redirects

* [ci] white list symfony

* Add Chonons DateTime library.

* Fix typo.

[Code Analysis] Added phan