Update 'addBinding' documentation in KeyBindingManager.
Don't throw an exception if currentTheme is undefined
- fix travis build error
Improve TokenUtils performance through caching
Merge pull request #9964 from MarcelGerber/find-blocks-perf

Improve TokenUtils performance through caching
Merge pull request #10225 from adobe/zaggino/doc-fix

Update 'addBinding' documentation in KeyBindingManager.
Merge pull request #10236 from MarcelGerber/mode-class-undefined

Don't throw an exception if currentTheme is undefined