Merge pull request heroku#94 from deguif/blackfire_refactor_specials_…

…exts

Add blackfire install on heroku

move common.sh to util dir

deprecate HHVM on cedar

fix .version info dir creation

PHP/5.6.2

PHP/5.6.1

blacklist S3_URL and RTVS_URL for exports too in case a user has thos…

…e set

use cedar-14 based version selector for all cedar-14 apps to up testing

ext-newrelic/4.13.0.70

prevent newrelic from starting when calling php-fpm -v