Implemented options `zoomable` and `moveable`
Updated main example in docs
Removed some redundant code
Added missing option orientation needed by Timeline itself
Implemented support for vertical dragging (needs some refinement)
Fixed vertical drag issue while pinching
Implemented shadows when vertical scroll is possible
Fixed shadows always being visible
Fixed a bug in vertical offset when height of container > height of contents
Removed all usage of style.bottom
Fixed a bug in positioning/sizing the vertical lines of box items
Added a start with animation (not yet working and disabled)
Small update in animation.css
Few fixes to get animation better (still not there)
Fixed #167: property `className` of groups not being applied to related contents and background elements, and not being updated once applied.
Renamed DataSet option `convert` to `type`.
fixed self referencing node edge selection bug per #168
Timeline now accepts a DataSet with items having any type of start and end.
Reworked all examples to use vis.DataSet
Added an example demonstrating data serialization/deserialization