Update base header to have versonned doc on the web site
Update base header to have versonned doc on the web site

The current version of the docs (from trunk) are located on the website
root and the documentation for a specific version are in a folder which
name is the aforementionned version.
It breaks the links on a local install since we use root-relative links,
but it's the price to pay for avoiding broken links on the webpage

git-svn-id: de9bbed4c30e0eb58fe8e7d66f5c80b71699a07c@3196 bf01a9d7-0df3-0310-8ad4-b1c94d9ae2d5

fperignon/siconos,fperignon/siconos,radarsat1/siconos,siconos/siconos-deb,siconos/siconos-deb,fperignon/siconos,siconos/siconos-deb,fperignon/siconos,fperignon/siconos,bremond/siconos,siconos/siconos-deb,siconos/siconos-deb,bremond/siconos,radarsat1/siconos,bremond/siconos,radarsat1/siconos,radarsat1/siconos,siconos/siconos,bremond/siconos,siconos/siconos,bremond/siconos,siconos/siconos,radarsat1/siconos,siconos/siconos-deb,siconos/siconos