get_nets -> get_ports

Change-Id: Iae8fd1c3b207a14e1296d882edb7b74693e55cfd
added imageon to list of testnames

Change-Id: I3313ab36bc1fbc3ea633d12861ab7b6ed8835385
fixed some imageon zedboard constraints

Change-Id: Ic85ba75b8b54c4c18ec5b4e7ae99050c3e35619b
connected io_vita_clk_out_p/n

Change-Id: I3e88e5933a69ed9e1ea8a5f7fec75a98a572358b
commented out toppins

Change-Id: I870a27bd088f905307731e67a9ddf59a3330cc6e