add demo
prevent touchmove on doc
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
upate demo
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
store hammer instance in element data instead of scope
as scope can contain more than hammerised element
and angujarjs isolate scope is at directive level