Fix bug on IE6

Hi, I have test this script running on IE6, there only 2 issue
1. 'use strict' not support, you need disable it with IE
2. In end of Hash, do not add comma
Disabled reaction to right mouse button.
Fixed test to set e.which = 1
Updated bower and dist
Merge branch 'master' into dev
Fixed test
Merge pull request #6 from huacnlee/patch-1

Fix bug on IE6 with redundant comma
Merge branch 'master' into dev
Updated bower and dist