added SCU build
use soar timing functions now that they're fixed
get rid of "state" group at top level cli
a little refactoring and a minor bugfix
top-state scene persists after init
deleted some obsolete models, simplified model factory functions
fix distance tracking bug
add cli commands to add models and assign models
preserve original scene during init, instead of a copy
fix sgel bug
added scene.clear command to CLI
move all action modeling code into the models directory
bugfix for convex nodes not reporting shape changes
merged with foil-bolt
bugfix for crash on closest relation update with only one object
removed properties from scene in favor of storing properties with nodes
Fixed merge with foil-bolt-merge
Merge remote-tracking branch 'origin/foil-bolt-merge' into bolt
renamed tuple to int_tuple to avoid name conflict with std::tuple
Modified adding/removing properties so two-level attributes can be used'