* Updated laravel-quickstart.md
* Updated symfony-quickstart.md
* Replaced setStatus with recordException in the child span
* Removed TODO comment
* Changes from PR 701 by DrLuke
* Update framework integration docs
* Apply suggestions from review
- Avoid multiple constructor calls.
- Grammar regression.
- Fix type `s/jaegar/jaeger`.
* Update exporters + sampling to the new API (per review)
* Fix setup instructions and improve consistency and style
* Update span status handling and current span fetch
* Introduce warnings and demote to "Exploration guides"
* chore: rename framework "guides"