RAD1 changes 
-----------------------------------------------------

chan_fifo_reader.v
changed timestamp_clock -> "adc_time"
added JITTER

cic_interp.v
changes clear_me --> reset

cic_int_shifter.v
increased default value of bitgain to "21"
 
cmd_reader.v
propagated name change timestamp_clock

io_pins.v
removed --> inout wire [15:0] io_2, inout wire [15:0] io_3,
removed --> input wire [15:0] reg_2, input wire [15:0] reg_3,
+	 `FR_OE_2 : io_2_oe
+	   <= #1 (io_2_oe & ~serial_data[31:16]) | (serial_data[15:0] & serial_data[31:16] );
+	 `FR_OE_3 : io_3_oe
+	   <= #1 (io_3_oe & ~serial_data[31:16]) | (serial_data[15:0] & serial_data[31:16] );
 
master_control.v
removed -->  wire [7:0] master_controls;

packet_builder.v
parameter NUM_CHAN = 1 --> used to be 2
changes name timestamp_complete -- tstamp_complete;

register_io.v
added 
-     atr_tx_delay, atr_rx_delay, master_controls, debug_en, interp_rate, decim_rate, 
-     atr_mask_0, atr_txval_0, atr_rxval_0, atr_mask_1, atr_txval_1, atr_rxval_1,
-     atr_mask_2, atr_txval_2, atr_rxval_2, atr_mask_3, atr_txval_3, atr_rxval_3, 
-     txa_refclk, txb_refclk, rxa_refclk, rxb_refclk, misc, txmux);   

