Master

Created by: robbep

• Fix resync function

• Debug slow control

• Test other ports

• Modiry the output of pcie40_ul.
  
    Good! eve 00000481 pos 792 size 184
    Good! eve 00000000 pos 976 size 36
    Missing events cur 0 pre 481
    Invalid magic number 7fff0004 pos 1016 : 7fff0000 7fff0004 7fff0005 7fff0006 7fff0007 7fff0008 7fff0009 7fff00
    New ! eve 00000001 pos 1024 size 132 : 00000084 7f7f0001 44440001 00000001 11110001 33330001 1a160060 04d017ac
    Good! eve 00000002 pos 1160 size 156

• Check if the next event's 7f7f magic word and, if not, wait until it appears.

    [INFO] Good! run 00005300 prevrun 00005300 eve 00003a02 pos 000019c8 size 00000118
    [INFO] Good! run 00005300 prevrun 00005300 eve 00003a03 pos 00001ae0 size 00000100
    [INFO] Good! run 00005300 prevrun 00005300 eve 00003a04 pos 00001be0 size 00000028
    Invalid magic number 60616263 pos 7176 : 5c5d5e5f 60616263 64656667 68696a6b 6c6d6e6f 70717273 74757677 7879

• Change some log messages.

• Fix compilation for CentOS8

• 48 links for slow control library