More examples and cleanup

examples/processing/grid24x8z_clouds/OPC.pde

examples/processing/grid24x8z_clouds/grid24x8z_clouds.pde

examples/processing/grid24x8z_dot/OPC.pde

examples/processing/grid24x8z_dot/grid24x8z_dot.pde

examples/processing/grid24x8z_flashy_rings/OPC.pde

...cessing/grid24x8z_flashy_rings/grid24x8z_flashy_rings.pde

examples/processing/grid24x8z_rings/OPC.pde

examples/processing/grid24x8z_rings/grid24x8z_rings.pde

examples/processing/grid24x8z_rings_leapmotion/OPC.pde

...grid24x8z_rings_leapmotion/grid24x8z_rings_leapmotion.pde

examples/processing/grid24x8z_sequencer/OPC.pde

...es/processing/grid24x8z_sequencer/grid24x8z_sequencer.pde

examples/processing/grid24x8z_text/OPC.pde

examples/processing/grid24x8z_text/grid24x8z_text.pde

examples/processing/grid24x8z_waves/OPC.pde

examples/processing/grid24x8z_waves/grid24x8z_waves.pde

examples/processing/grid8x8_dot/OPC.pde

examples/processing/grid8x8_dot/grid8x8_dot.pde

examples/processing/grid8x8_orbits/OPC.pde

examples/processing/grid8x8_orbits/grid8x8_orbits.pde