branch boyceg: updated HierarchyIntegrator to traverse entire tree of nested hierarchy integrators for a couple of use cases where it was only making it to the first level
branch boyceg: updated HierarchyIntegrator to traverse entire tree of nested hierarchy integrators for a couple of use cases where it was only making it to the first level

huahbo/IBAMR,huahbo/IBAMR,iamciera/IBAMR,huahbo/IBAMR,iamciera/IBAMR,huahbo/IBAMR,yaojieuh/IBAMR,iamciera/IBAMR,iamciera/IBAMR,yaojieuh/IBAMR,iamciera/IBAMR,huahbo/IBAMR,huahbo/IBAMR,yaojieuh/IBAMR,iamciera/IBAMR,yaojieuh/IBAMR,iamciera/IBAMR,yaojieuh/IBAMR,yaojieuh/IBAMR,yaojieuh/IBAMR,huahbo/IBAMR