composer.json ready for packagist and release v3.0.0
composer.json ready for packagist and release v3.0.0

Completely revamped, refreshed, updated, improved, correlate, validated, double checked and spiffed up.

Since Restler has no "requirements" we added these as require-dev dependencies which allows as, since they are dew packages themselves, allowing us to remove the minimum stability dev setting.
Added suggestions for all the dependents.
Added alias for the slightly non-conforming branch name
Added keywords

jeremydenoun/Restler,jeremydenoun/Restler,jeremydenoun/Restler