gh ribbon fix, remove extra whitespace
typo in pageYOffset causes IE 9-11 to zoom wrong
Merge pull request #9 from lvoogdt/patch-1

typo in pageYOffset causes IE 9-11 to zoom wrong
center zoom viewport
reduce number of arguments in to()
update (c) years
Merge branch 'master' of github.com:hakimel/zoom.js
tweak demo content
copy tweak