Admin: click on username open the profile
Admin: show actual date for users

In the created data column show acutal user creation date
Remove file upload from /admin/input/

Requested from David to remove the Image Upload field from /admin/input/.
Now only image URL is supported.
More space between fields and header

Put more space between each product field set to clearly separate each one.
Put a header Product #x for each product, to easily identify each one in case of errors.
Merge pull request #83 from camilotorresf/fixes

/admin/input fixes