Popover with custom content and left tail:

	<Popover tailDirection = 'left'>Popover message</Popover>

Popover with custom content and left custom color tail:

	<Popover tailDirection = 'left' tailColor='#ff3f3f'>Popover message</Popover>

Popover with custom content and bottom tail:

	<Popover tailDirection = 'bottom'>Popover message</Popover>

Popover with custom content, bottom tail and appearance delay:

	<Popover tailDirection = 'bottom' delay={3000}>Popover message</Popover>

