add ganglia note

Signed-off-by: Sebastien Varrette <sebastien.varrette@uni.lu>
add notes on VM creation

Signed-off-by: Sebastien Varrette <sebastien.varrette@uni.lu>
Merge branch 'devel' of github.com:ULHPC/tutorials into devel

# By Joseph Emeras (6) and others
# Via Hyacinthe Cartiaux (1) and others
* 'devel' of github.com:ULHPC/tutorials:
  Update the Bioinformatics tutorial with an mpiBLAST example.
  [R tuto] split up too large code
  removed unnecessary unload
  removed unnecessary unload
  Totalview: iso file/md5sum
  [R tuto]: add link in tex file
  [R tuto]: give hadley's page link for further details
  add comments in R tuto code; add questions
  Update to Bioinformatics tutorial.
  Initial version of Bioinformatics software tutorial.