Refs #2567: simplify layout for newsletter languages area
Refs #2567: add date for right column items
Refs #2567: add code for blog callout icon
Refs #2567: add the image for blog callout icon
Merge pull request #187 from sandriu/2567_newsletter_all

2567 newsletter all - fix for newsletter templates
variables for templates and small fixes for html
Merge pull request #189 from claudiaifrim/newsletter_templates_vars

variables for templates and small fixes for html