Added some new blocks ( fmc_tlu_clock_gen ,fmc_tlu_hdmi_dut_connector , fmc_tlu_threshold_discriminator_dual )

Printed out schematic ( fmc_tlu_v1c.pdf )

Comitting updated schematics for fmc vc . Adding a diagram illustrating coincidence logic. Adding simulation scripts 

Also, a few PCB files updated when I tested cleaned up trunk 
by exporting schematic to pcb.