Modify ServiceMix 5 download page to reflect change in available assembly types

git-svn-id: https://svn.apache.org/repos/asf/servicemix/website/trunk@1572254 13f79535-47bb-0310-9956-ffa450edef68
Add initial stab at March board report

git-svn-id: https://svn.apache.org/repos/asf/servicemix/website/trunk@1572255 13f79535-47bb-0310-9956-ffa450edef68