Use the new description getter function

Since nereid-catalog version 3.0.5.0 it is possible
to set a description for the template and all the variants
could resuse that.

This getter function moves the logic of getting description
to a method in the model.
Shopping cart should show the Total amount

* Was mistakenly showing the untaxed_amount
updated default image method and links of product images #4734
Merge pull request #77 from goyal1092/feature/task-4734

updated default image method and links of product images #4734
Removed alt attribute from variant image #4734
Merge pull request #79 from goyal1092/feature/task-4734

Removed alt attribute from variant image #4734
Remove extra /div before </section>

* Removed extra ```</div>``` before ```</section>```
Variation in multiple dimension #4722

* Adds the ability to choose from n-dimensions of attributes
* works only if openlabs/nereid-catalog-variants module is installed
Merge pull request #80 from prakashpp/without-swatches

Variation in multiple dimension #4722
Merge pull request #81 from raghav-kukreti/develop

Remove extra /div before </section>