stopListening can be invoked without any argument.
Definitions for FPSMeter
Merge pull request #514 from alampros/master

FPSMeter definitions
Merge pull request #513 from kazimanzurrashid/master

stopListening can be invoked without any argument.
Added interfaces for input and inputtypes
Merge pull request #518 from theodorejb/master

Added Modernizr input interfaces