Only salable products can be added to cart #4758

Review ID: 5783001
Merge pull request #82 from aroraumang/feature/task-4758

Only salable products can be added to cart #4758
Added featured tree node products on homepage #4728

Review ID: 10803002
Merge pull request #83 from aroraumang/feature/task-4728

Added featured tree node products on homepage #4728
Implemented Reset password for webshop user #4772
Add blocks for template inheritance
Merge pull request #85 from priyankarani/develop

Add blocks for template inheritance
Merge pull request #84 from goyal1092/feature/task-4772

Implemented Reset password for webshop user #4772
User can download invoice from sales template #4621

* Added test

Review Id: 12893002
Merge pull request #86 from goyal1092/feature/task-4621

User can download invoice from sales template #4621
Changed template display in node.html #4909

* Replaced masonry.js with bootstrap.
Merge pull request #89 from goyal1092/feature/task-4909

Changed template display in node.html #4909
Added product image on cart summary #4911
Merge pull request #90 from goyal1092/feature/task-4911

Added product image on cart summary #4911
Fix typo in tree node

* nodes have `children` not `childs`