Insert OMERO sidebar template after page TOC sidebar

OME-DCO-1.1-Signed-off-by: Sebastien Besson <seb.besson@gmail.com> (github: sbesson)
Reformatting VA docs to make less intimidating!
Re-working OMERO sysadmin index page
Merge pull request #850 from hflynn/rebased/develop/sysadmin-reorg

Re-working OMERO sysadmin index page (rebased onto develop)
Merge pull request #846 from hflynn/rebased/develop/sidebartoc_order

Insert OMERO sidebar template after page TOC sidebar (rebased onto develop)
Merge pull request #849 from hflynn/rebased/develop/VM-doc

Reformatting VA docs to make them less scary  (rebased onto develop)