* Update `add_license` script
* run script
* add `remove duplicate lines script` and run it
* Revert changes `English spaces`
* strip whitespaces
* Revert `GPL` in files with `apache/mit license`
* don't append `gpl license` in files with other lic
* Don't append `gpl header` in files with other lic.
* re-ran script
* include c and cpp files too
* remove duplicate header
* rebase nit
* Node-health to a separate crate.
* Initialize node_health outside of dapps.
* Expose health over RPC.
* Bring back 412 and fix JS.
* Add health to workspace and tests.
* Fix compilation without default features.
* Fix borked merge.
* Revert to generics to avoid virtual calls.
* Fix node-health tests.
* Add missing trailing comma.
* Health endpoint.
* Asynchronous health endpoint.
* Configure time api URL via CLI.
* Tests for TimeChecker.
* Health indication on Status page.
* Adding status indication to tab titles.
* Add status to ParityBar.
* Fixing lints.
* Add health status on SyncWarning.
* Fix health URL for embed.
* Nicer messages.
* Fix tests.
* Fixing JS tests.
* NTP time sync (#5956)
* use NTP to check time drift
* update time module documentation
* replace time_api flag with ntp_server
* fix TimeChecker tests
* fix ntp-server flag usage
* hide status tooltip if there's no message to show
* remove TimeProvider trait
* use Cell in FakeNtp test trait
* share fetch client and ntp client cpu pool
* Add documentation to public method.
* Removing peer count from status.
* Remove unknown upgrade status.
* Send two time requests at the time.
* Revert "Send two time requests at the time."
This reverts commit f7b754b1155076a5a5d8fdafa022801fae324452.
* Defer reporting time synchronization issues.
* Fix tests.
* Fix linting.
* Refactoring dapps to support API endpoints.
* Using ContentHandler for unauthorized requests
* Extracting url stuff
* Adding ping endpoint
* CORS support for ping request
* Fixing url.is_none()
* minor formatting fix
[ci:skip]
Niklas Adolfsson
Tomasz Drwięga
Gav Wood
Gav Wood