Alter gitignore to check in everything in docs

Signed-off-by: rsnape <rsnape@dmu.ac.uk>
Check in docs pictures

Signed-off-by: rsnape <rsnape@dmu.ac.uk>
Adapt adoption cases for Repast 2.1

Signed-off-by: rsnape <rsnape@dmu.ac.uk>
Update adoption model logging

Signed-off-by: rsnape <rsnape@dmu.ac.uk>