* Show ifSpeed on Graph
Drop ifHighSpeed, we really don't want to store that value.
* safer truth check
* Allow global setting and per-graph variable
* match surrounding case
* Style fixes
* Remove old function usage
* update schema
* remove some old usages
* cleanup more ifHighSpeed references
* update test data to remove ifHighSpeed
* fix down migration
* Add button on graph page
Change default
tweak wording