Add link to cat mailing list announcing CR2 for testing

Fix for unknow type of downloads (xcoulon)
Fixed "Unknown" download label

Replaced with "Download" when the file type is unknown (eg: link to an artifact on Nexus)
JBIDE-18509 - Missing icon for Google Plus in Follow Us submenu
JBIDE-18510 - Broken What's New page layout
JBIDE-18498 - Display the "development release" alert on all alpha/beta/cr versions
JBIDE-18536 - Remove all "build_type" entries in products.yml, as they are not used
Fix broken layout of visual editor FAQ
JBTIS-335 - Update products artifact and create a blog
make the easy fixable logos transparent
Renaming Apache Camel Tools feature

Making the feature name shorter to display it on a single line
JBIDE-18553 - Use flex layout for main features page
DESIGN-612 make jbpm logo transparent
JBIDE-18627 - Add a page with the list of all blog entries (without content)

Modified the blog title/tags/author image layout
Added a new /blog/all.html page
Added a banner on /blog, /blog/all.html and all generated tag pages (/blog/tag/release, etc.)
rename News to Posts and remove obsolete rakefile news date manipulation
fix last news to post
jazoon event
JBIDE-18629 - Show N&N for JBT 4.1.0.Final and 4.1.1.Final
TOOLSDOC-513: Added OpenShift How To "Debug"
TOOLSDOC-513: OpenShift How To "Debug" - fixed filename case
TOOLSDOC-511: Added OpenShift How To "First App"