Add language property to MM.Listener
Use lang not language for listener lang; Improve lang documentation
Fix BCP 47 links, improve lang documentation
Add link to page about supported speech recognition languages
Final touches on lang documentation
Merge branch 'feature/language-config' into develop
Version Bump 2.2.0
Fix typos
Add Archive 2.2.0
Merge branch 'release/2.2.0'