Merge pull request #13 from dertseha/grunt-setup

Created build system using grunt
Merge pull request #14 from dertseha/test-framework

Added test framework, refactored platform (browser) support to make it testable
Merge pull request #15 from dertseha/standard_names

Standard names for buttons & axes, reworked mapping mechanism
updating gamepad events, not prefixed anymore
auto updated docs with grunt
Merge pull request #16 from leobalter/master

Unprefixed gamepad events --by leobalter
add support for N64 (Retrolink) controller