RE fixup (#21309)

* Fixup doc urls/references

- Fixup broken/changed links
- Remove eon links and label as depreciated
- Add link to panda safety model
- Rename "testing closet" to "test lab"

I'll admit the last one is a bit pedantic but I think it's a better
understood term. My day job deals with things like this so I'm biased

* Update CONTRIBUTING.md

* Update CONTRIBUTING.md

* Update CONTRIBUTING.md

* Update README.md

* Update CONTRIBUTING.md

* Update README.md

* Update README.md

* Update README.md

Co-authored-by: Adeeb Shihadeh <adeebshihadeh@gmail.com>
old-commit-hash: 6e74afd7b2

CONTRIBUTING.md

@@ -2,7 +2,7 @@
 
 Our software is open source so you can solve your own problems without needing help from others. And if you solve a problem and are so kind, you can upstream it for the rest of the world to use.
 
-Most open source development activity is coordinated through our [GitHub Discussions](https://github.com/commaai/openpilot/discussions) and [Discord](https://discord.comma.ai). A lot of documentation is available on our [medium](https://medium.com/@comma_ai/).
+Most open source development activity is coordinated through our [GitHub Discussions](https://github.com/commaai/openpilot/discussions) and [Discord](https://discord.comma.ai). A lot of documentation is available on our [blog](https://blog.comma.ai/).
 
 ## Getting Started
 
@@ -22,9 +22,9 @@ Code is automatically checked for style by GitHub Actions as part of the automat
 
 ## Car Ports (openpilot)
 
-We've released a [Model Port guide](https://medium.com/@comma_ai/openpilot-port-guide-for-toyota-models-e5467f4b5fe6) for porting to Toyota/Lexus models.
+We've released a [Model Port guide](https://blog.comma.ai/openpilot-port-guide-for-toyota-models/) for porting to Toyota/Lexus models.
 
-If you port openpilot to a substantially new car brand, see this more generic [Brand Port guide](https://medium.com/@comma_ai/how-to-write-a-car-port-for-openpilot-7ce0785eda84).
+If you port openpilot to a substantially new car brand, see this more generic [Brand Port guide](https://blog.comma.ai/how-to-write-a-car-port-for-openpilot/).
 
 ## Pull Requests
 
@@ -36,7 +36,7 @@ Or alternatively, when on the master branch:
 ```
 git submodule update --init
 ```
-The reasons for having submodules on a dedicated repository and our new development philosophy can be found in our [post about externalization](https://medium.com/@comma_ai/a-2020-theme-externalization-13b33326d8b3).
+The reasons for having submodules on a dedicated repository and our new development philosophy can be found in our [post about externalization](https://blog.comma.ai/a-2020-theme-externalization/).
 Modules that are in seperate repositories include:
 * cereal
 * laika

README.md

@@ -57,7 +57,7 @@ openpilot should preserve all other vehicle's stock features, including, but are
 Supported Hardware
 ------
 
-At the moment, openpilot supports the [EON DevKit](https://comma.ai/shop/products/eon-dashcam-devkit) and the [comma two](https://comma.ai/shop/products/comma-two-devkit). A [car harness](https://comma.ai/shop/products/car-harness) is recommended to connect the EON or comma two to the car. For experimental purposes, openpilot can also run on an Ubuntu computer with external [webcams](https://github.com/commaai/openpilot/tree/master/tools/webcam).
+At the moment, openpilot supports the EON Gold DevKit and the [comma two](https://comma.ai/shop/products/comma-two-devkit). A [car harness](https://comma.ai/shop/products/car-harness) is recommended to connect the EON or comma two to the car. For experimental purposes, openpilot can also run on an Ubuntu computer with external [webcams](https://github.com/commaai/openpilot/tree/master/tools/webcam).
 
 Supported Cars
 ------
@@ -214,7 +214,7 @@ Although they're not upstream, the community has openpilot running on other make
 Installation Instructions
 ------
 
-Install openpilot on an EON or comma two by entering ``https://openpilot.comma.ai`` during the installer setup.
+Install openpilot on an EON Gold or comma two by entering ``https://openpilot.comma.ai`` during the installer setup.
 
 Follow these [video instructions](https://youtu.be/lcjqxCymins) to properly mount the device on the windshield. Note: openpilot features an automatic pose calibration routine and openpilot performance should not be affected by small pitch and yaw misalignments caused by imprecise device mounting.
 
@@ -304,7 +304,7 @@ Safety and Testing
 * panda has software in the loop [safety tests](https://github.com/commaai/panda/tree/master/tests/safety).
 * Internally, we have a hardware in the loop Jenkins test suite that builds and unit tests the various processes.
 * panda has additional hardware in the loop [tests](https://github.com/commaai/panda/blob/master/Jenkinsfile).
-* We run the latest openpilot in a testing closet containing 10 EONs continuously replaying routes.
+* We run the latest openpilot in a testing closet containing 10 comma devices continuously replaying routes.
 
 Testing on PC
 ------
@@ -331,7 +331,7 @@ Community and Contributing
 
 openpilot is developed by [comma](https://comma.ai/) and by users like you. We welcome both pull requests and issues on [GitHub](http://github.com/commaai/openpilot). Bug fixes and new car ports are encouraged.
 
-You can add support for your car by following guides we have written for [Brand](https://medium.com/@comma_ai/how-to-write-a-car-port-for-openpilot-7ce0785eda84) and [Model](https://medium.com/@comma_ai/openpilot-port-guide-for-toyota-models-e5467f4b5fe6) ports. Generally, a car with adaptive cruise control and lane keep assist is a good candidate. [Join our Discord](https://discord.comma.ai) to discuss car ports: most car makes have a dedicated channel.
+You can add support for your car by following guides we have written for [Brand](https://blog.comma.ai/how-to-write-a-car-port-for-openpilot/) and [Model]https://blog.comma.ai/openpilot-port-guide-for-toyota-models/) ports. Generally, a car with adaptive cruise control and lane keep assist is a good candidate. [Join our Discord](https://discord.comma.ai) to discuss car ports: most car makes have a dedicated channel.
 
 Want to get paid to work on openpilot? [comma is hiring](https://comma.ai/jobs/).
 

SAFETY.md

@@ -28,7 +28,7 @@ ensuring two main safety requirements.
    react. This means that while the system is engaged, the actuators are constrained
    to operate within reasonable limits.
 
-For vehicle specific implementation of the safety concept, refer to `panda/board/safety/`.
+For additional safety implementation details, refer to [panda safety model](https://github.com/commaai/panda#safety-model). For vehicle specific implementation of the safety concept, refer to [panda/board/safety/](https://github.com/commaai/panda/tree/master/board/safety).
 
 **Extra note**: comma.ai strongly discourages the use of openpilot forks with safety code either missing or
   not fully meeting the above requirements.