Updated timeline library. Removed mousewheel zoom event handler code to stop conflict!
jQuery v1.11.0
Minor commit: Make class more specific to stop it picking up styles
Uncommented include to old library
Styling tweaks
Bug fix - custom timeline zoom code added

* Custom code added to handle zooming of the timeline. Had to remove the
event listener code from the timeline library as it was conflicting with
jQuery.mousewheel. So expect zooming to work regardless of browser now
=)