Fix "Loading" container is not removed in IE9

Don't laugh but I discovered that  this wonderful application does not work correctly with IE 9.
"Loading" div is not removed.
After looking at it I realized that  `$.support.transitionEnd` is not fired because IE9 does not support transitions (what a suprise).
Doing this modyfication made it work on IE9 on my computer
Fix "Loading" container is not removed in IE9
added marked dependency
added initial server side marked support
added marked to client side and build step
version bump
0.5.3
version bump
Merge pull request #100 from tegelane89/patch-1

Fix "Loading" container is not removed in IE9