work on allies getting out of players way
more work on ally collision ai
refactor of ally collision ai
add engine setting to disable ally collision ai
hero not blocked by allies

improved way of walking though allies which wont affect any other entity
types, including an engine setting to disable it
ally combat overrides collision ai

fixes #61
enable full collision by default
Merge pull request #63 from clintbellanger/master

take latest changes from main project
manual merge of main branch
fix a bridge ally collision issue

fixes an issue where a summon tries to move perpendicular to a bridge
when trying to get out of the players way. happens if the player manages
to get into a position where this is the logical direction for
calcDirection.
Merge pull request #604 from RyanDansie/summons_with_collision_real

ally collision improvements