added stuff for the first day of Workshop

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/adegenet@1167 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
change in the titles

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/adegenet@1168 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
new version of the genomics vignette with addition from Caitlin on glSim

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/adegenet@1169 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
fixed a few typos

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/adegenet@1170 edb9625f-4e0d-4859-8d74-9fd3b1da38cb