Fix issue on timeline entries related to quotation and invoice

- Fixes a problem on the resources that aren't clickable
Replaces 'px' occurrences by 'pt' in the report settings page
Fix issue that allow users to create invoiceBase without sender address and billing address
Fixes a bad translation on some table headers
Fix issue on notifications related to quotation and invoice

- Invoice and Quotation Resources are now clickable
Fixes issue that displays notifications in disorder

- Unread notifications are now displayed first
- All notifications are now sorted by date
Merge branch 'hotfix/2014-02.2.2'