Added resetWizard utility method to help support dynamic steps

The method updates the appropriate variables based on the current state
of the DOM and reattaches to the necessary events.
Merge pull request #50 from realcrowd/Dynamic-Step-Support

Added resetWizard utility method to help support dynamic steps
Return missed on init this.fixNavigationButtons()

return missed in new version nav buttons fix

	// Work the next/previous buttons
	obj.fixNavigationButtons();
Merge pull request #66 from Illirgway/patch-1

Return missed on init this.fixNavigationButtons()