Holds different php qa tools as phar file

The script generate_symlinks.sh should be run via sudo. It creates symlinks to all tools into /usr/local/bin.

Included tools:

• PDepend 2.1.0 (pdepend.phar)
• PHP Code Beautifier and Fixer 2.3.1 (phpcbf.phar)
• PHP_CodeBrowser 1.1.1 (phpcb.phar)
• phpcpd 2.0.2 (phpcpd.phar)
• PHP CS Fixer 1.9 (php-cs-fixer.phar)
• PHP_CodeSniffer 2.3.1 (phpcs.phar)
• phpdcd 1.0.2 (phpdcd.phar)
• phpDocumentor v2.8.2 (phpDocumentor.phar)
• phpDox 0.8.0 (phpdox.phar)
• phploc 2.1.3 (phploc.phar)
• PHPMD 2.2.3 (phpmd.phar)
• PHPUnit 4.7.5 (phpunit.phar)