Fix clear timer when debouncing
Fix clear timer when debouncing

This makes Timer.debounce behave like _.debounce
where the function is not called until after the
last time it was invoked.

Lkraljevic/famous,Famous/utilities,SuPenguin/famous,Famous/famous,ziteboard/famous,FamousArchives/utilities,SeanOceanHu/famous,Faiz7412/famous,Faiz7412/famous,Famous/famous,gdi2290/famous,chinakids/famous,Offirmo/famous,wgester/famous,holmesal/famous-global-build,Bizboard/famous,trusktr/famous,ziteboard/famous