Profiling/performance improvments

[nabeelio]

Bucket for performance and profiling improvements during the Laravel boot.

• https://www.reddit.com/r/laravel/comments/4yvwo8/how_to_profile_laravel_app/
• https://deliciousbrains.com/mergebot-now-1200-percent-faster-tuning-laravel-with-blackfire/
• https://www.thirdandgrove.com/insights/profile-laravel-quickly-with-blackfire-io/
• https://matthewdaly.co.uk/blog/2017/08/14/profiling-your-laravel-application-with-clockwork/