Change first page contents & structure
Conferences & Workshops

renamed  Conferences -> Conferences & Workshops
added labels conf/work
changes due to renaming

conferences.html
conferences_and_workshops.html
workflow page merged with process flow

added a remainder
Images folder

Add images in a new root folder "images"
Add Significant Features page

Information about mixed mode and Vlan support
Architectural framework update

Using infromation of latest pubblication
Changes due to new contents and pages