Install composer viea phive and remove phpunit from composer dev install

Update comoser test files to work with both, but primary is the phive
installed one.

run tests via 4dev/check/phpunit.sh as before

www/vendor/composer/autoload_psr4.php

@@ -9,7 +9,4 @@ return array(
     'gullevek\\dotenv\\' => array($vendorDir . '/gullevek/dotenv/src'),
     'gullevek\\dotEnv\\' => array($vendorDir . '/gullevek/dotenv/src'),
     'Psr\\Log\\' => array($vendorDir . '/psr/log/src'),
-    'PhpParser\\' => array($vendorDir . '/nikic/php-parser/lib/PhpParser'),
-    'Doctrine\\Instantiator\\' => array($vendorDir . '/doctrine/instantiator/src/Doctrine/Instantiator'),
-    'DeepCopy\\' => array($vendorDir . '/myclabs/deep-copy/src/DeepCopy'),
 );