revised startup.m to handle packages/+<package name> dirs, in addition to simple subdirs with scripts/functions (the latter not used at the moment)
revised startup.m to handle packages/+<package name> dirs, in addition to simple subdirs with scripts/functions (the latter not used at the moment)

jgte/orb,jgte/orb,jgte/orb,jgte/orb,jgte/orb