Shows modal dialog when time is up
Reset timer correctly when out of moves
Added missing parentheses
When moving tiles together, add bonus time

Also fixed bad name casing in definitions.js. Constructor function is now Definitions,
instance definitions.
Bonus time is configured in definitions.js.
Increase by two seconds

The thing is, when increasing by one second only, it looks like the timer just
stopped. When adding two seconds, the user gets the actual experience, that he
got bonus time.
Show animation when user got bonus time
fixed missing semicolon