Add template engine kit and fix source code urls questions

 Documentation for 3.0.2

 Fix responseBody file size verification and copy .phpbenchmarks/comp…

…oser.lock.php* to composer.lock

 Documentation for REST API benchmark kit

 Some fixes and documentation

 Fix error message

 Fix vhost.conf path and change validationFailedExit calls to exitScript

 Remove component version variables to ask them when copying files fr…

…om github

 Define PHP 7.3 before using CLI

 Add version informations to README.md