alps fix, added support for lineage tracking among groups.
Added support for task-switching project
.
Added support for applying a hardware cost and line of descent tracking for metapopulations.
merged in latest ealib changes.
libea/include/ea/digital_evolution.h
Temporarily commmenting out concept checking since it doesn't work with metapops of digital orgs.
support for querying a spatial location
Added random neighbor replacement method.
Added instructions for if_equal, if_not_equal, get_age, and jump_head
modified soft reset
support for rotating to face parent after birth
modified spatial to support rotating to face parent.
merged in a whole host of dk changes...
Merge pull request #21 from heathergoldsby/master

hjg ealib changes