fix formatting errors
path output
fixd null
Updated activation/deactivation, updated graphics
actor movements
merging
Merging
Merging
actor movements
Minor updates to gridsquare
merging
actor movements
Additional logging, initial wander

Log() overloaded to write any passed object to a seperate log file, use
new constructor to pass a directory, Added a wander state and basic
random wandering, added missing content
intermittent commit #667...?
Merge branch 'master' into dev-als364
preliminary refactor complete