Changes given As per today's requirement.

On left panel client want "Add to cart" so its added.
There are few things which was not specified by client
1. Qty selection which is coming from by woocommerce which
is added
2. Clear Selection needs lots of efforts so its waited it
they finalize clear requirement.
3. Last attribute description have been removed,
4. Description is added at the bottom of screen
5. Total Stock is displayed.
Merge branch 'variations' of https://github.com/8manos/mac into Different_Path_Work