Add users search.
Add search to products.
Merge pull request #36 from mex/majjoha/products-search

Add search to products.
Merge pull request #35 from mex/majjoha/users-search

Add users search.
Delete user.
Update user.
Add sign up link. Fixes #38.
Edit and delete products.
Merge pull request #39 from mex/majjoha/edit-users

Update user.
Merge pull request #40 from mex/majjoha/delete-users

Delete users.
Merge pull request #41 from mex/majjoha/sign-up-link

Add sign up link.
Merge pull request #42 from mex/majjoha/edit-products

Edit and delete products.
Update product view.