Fixed stopDefaultBrowserBehavior in Firefox

Firefox seems to expect vendor-specific style properties to be prefixed with "Moz" rather than "moz". I'm not sure if this is only  certain versions of Firefox, so I left the old "moz" in there as well.
Fixes event detection on Kindle Fire browsers that fire both mouse and touch events
Make Hammer compatible with jQuery < 1.7
remove global object when loaded as an AMD module.
Merge pull request #326 from denchev/master

Make Hammer compatible with jQuery < 1.7
Merge pull request #320 from dallonf/patch-1

Fixed stopDefaultBrowserBehavior in Firefox
Merge pull request #321 from robharper/feature/silk_browser_detect

Fixes event detection on Kindle Fire browsers
Merge pull request #328 from firede/patch-1

remove global object when loaded as an AMD module.
build after some PRs