added pcb version test

1) new bus_test (modifs on Davide's code: logic for internal reset; no use of front panel pushbutton as reset)
2) added PCB version test
3) push-button test: LEDs turn ON when button pressed

added internal reset that would be activated for few cycles after the reprogramming of the fpga

added internal reset that would be activated for few cycles after the reprogramming of the fpga

svec_dac_vcxo_pll updated to use latest vme core; added internal reset that would be activated for few cycles after the reprogramming of the fpga

svec_pts_dac_vcxo_pll: updated to the latest version of VMEcore (ProgramID: 5a); added initialization reset logic

svec_pts_dac_vcxo_pll: updated to the latest version of VMEcore (ProgramID: 5a); added initialization reset logic

The fmc reference clock for gtp firmware implements a gtp wrapper (only to get the reference clocks).
Each clock increments a counter which is latch every second to a register accessible via VME.

svec pts: added gtp_clkpll vhdl files; added gtp_clkfmc vhdl and firmware; doc updated (still not final version); svec_pts_sfp_sata_hsfmc.bit renamed to svec_pts_gtp_clkpll.bin

the procedure carried out by test00 of the fmcdio5chttla now is divided into test00, test01, test02 and test03 (three new tests created)