Copy php includes set in composer.json to included ini directory.
Merge branch 'master' of https://github.com/CHH/heroku-buildpack-php into feature/php-includes
We should use $BUILD_DIR instead of $target.
Updated README.md with short description.
Merge pull request #31 from RobinvdVleuten/feature/php-includes

Copying project's ini files instead of adding directives to composer.json