Fixed

• ContextMenu appears with wrong position (Issue #502 thanks @apptaro
• Check if given selected value is a 0, if it is a zero so return it as is. Thanks @Falseee
• Events are never trigger when opening a contextMenu right after the other (Issue #454 thanks @kagant15
• Accesskey jQuery Modal Dialog not working (Issue #506 thanks @CiTRO33
• Fix submenu hover not always staying active if hovering over a submenu item. (Issue #523 thanks @tim-nz
• Change $node.click() to $node.get(0).click() to allow native event in HTML5 (Issue #517)