Oscillators:
phase-shift.rle             -- used matching stator variants in bottom row
traffic-light-hasslers.rle  -- added p29 pre-pulsar hassler

Spaceships:
2c5-orthogonal.rle          -- added 7 ships by Matthias Merzenich
c3-orthogonal.rle           -- added 6 ships by Matthias Merzenich
c4-diagonal.rle             -- added 1 ship by Nicolay Beluchenko
smallest-low-period.rle     -- smaller p24 ship and minor comment changes