upgraded to jQuery v1.9.1 and jQuery UI v1.10.1
Correcting the problem of resizing the event with new versions of jquery ui.

Conflicts:
	src/agenda/AgendaEventRenderer.js
change arrow character for default prev/next button
Use CSS3 rounded corners instead of ghetto hack. Remove unnecessary markup for events and buttons.
And slightly change style of agenda events (no more differently colored event header).
And remove glossy-look CSS hack for buttons.
twitter bootstrap inspired buttons/borders/colors