#1977 adding multilingual support for some missing views

added multilingual support for:
* Organization title and description in the sidebar widget in the dataset view (corresponding to snippets/organization.html
* in the resource preview (package/resource_read.html) page are now properly translated these elements: 
  * *page title* where there are the dataset name and resource name, 
  * *breadcrumb* same as page title
  * *resource name*
  * *resource description*