Updated phpunit from 3.7.27 to 3.7.28
Update README.md

Add Mavericks/XCode5/CLT details
README: Fix typo
Add XCode 5 CLT Screenshot
XCode 5 CLT - Better centered screenshot
Upgrade php*-timezonedb

Closes #802
Upgrade php*-zmq

IMPORTANT NOTE : zeromq formula needs to be reinstalled before
installing/upgrading php-zmq formula :
brew rm zeromq && brew install zeromq

Closes #803
php53-apcu

Fix brew audit warning message : "File should end with a newline"
Closes #796
Varnish extension

Add Varnish extension for PHP 5.3, 5.4 & 5.5
Closes #795
Update php*-mongo

Closes #794
php*-riak

Upgrade php*-riak from 0.6.0 to 0.6.2