* chore: validate and normalize translations in addition to src strings
* fix: globalize lat/lng/acc in LocationPicker
* refactor: extract language picker into component
* refactor: globalized text
* feat: added a script to i18ncli called "checkify" that generates
localization files prepended with a checkmark to help see strings that are
not globalized
* fix: localize date formatting (closes#1622)
Closes#2102