Better handle deltaModes  1 (scroll by lines) and 2 (scroll by pages).
offsetParent was not added until 1.2.6 and should probably continue support for 1.2.2 since this is going to be a bug fix release
can just use $ here
fix my indents
Attempt to beter handle older browsers that use a wheelDelta based on 120
again with my indents
Bump version to 3.1.7 and update my info in a few places.
Fix the handling of older 120 based deltas.
add scrolling test
fix comment
update change log
bump version to 3.1.8
again with my indents
Update bower.json
Merge pull request #91 from jmeas/master

Update bower.json