Restore hidden label text for screen readers that describes what the button control does.
Renames the Duration Time language item to Duration.
Deprecate controlText_ property.
Fix a typo in translations-needed.md.
Add a space in the hidden label for live-display, so that it doesn't run together with the visible "LIVE" indication.
Fixes#5135
Use primary code ('en') if specific code ('en-us') doesn not match
Always re-merge languages
closes#2177
Updated language function to lowercase internally
Updated component.localize to not require stubbing
add base documentation for language support
typo fix
added utility function for adding languages per conversation with @heff. Includes test.
move addLanguage to core. update both core and util tests. added export property
added language sandbox for demo
fix comment
doc udpate
remove build instructions
add addLanguage API to doc
fix deep merge in test
test update
update local reference to string for compiled tests
