added example
Merge branch 'distrib'
clean up initial tests
clean up examples
Merge remote-tracking branch 'origin/distrib'
Merge remote-tracking branch 'origin/distrib'
Merge remote-tracking branch 'origin/distrib'
Merge remote-tracking branch 'origin/distrib'
Merge remote-tracking branch 'origin/devel'
Merge remote-tracking branch 'origin/devel'
removed stress test coming from devel
Merge remote-tracking branch 'origin/devel'
Merge remote-tracking branch 'origin/devel'
Merge remote-tracking branch 'origin/devel'
added case study 5 + corrected fixed pt bug

non existent particle for fixed point is now a warning