Fix price displayed

= Fix display price amount on CSS and displayed position

==================================
For right working change file
/administrator/components/com_virtuemart/helpers/calculationh.php in
line 402 and 404 from:
402: $this->productPrices['discountAmount'] =
$this->roundInternal($basePriceWithTax -
$this->productPrices['salesPrice']);
404: $this->productPrices['discountAmount'] =
$this->roundInternal($this->productPrices['discountedPriceWithoutTax']
- $this->productPrices['basePriceVariant']);
to:
402: $this->productPrices['discountAmount'] =
($this->roundInternal($basePriceWithTax -
$this->productPrices['salesPrice']) * -1);
404: $this->productPrices['discountAmount'] =
($this->roundInternal($this->productPrices['discountedPriceWithoutTax']
- $this->productPrices['basePriceVariant']) * -1);