Bump to PHP 5.3.20 and PHP 5.4.10

These versions include a patch for a critical bug that triggs segmentation fault in garbage collector
Update README.md

Updating minor version
updating ssh2 from pecl
Updating mongo to 1.3.2
Update README.md
APC: Upgrade to version 3.1.13
Upgrade twig to 1.11.1
Update php-zmq to version 1.0.5
Merge branch 'master' of github.com:danielcosta/homebrew-php