Revert "Revert "Change gettimeofday() function to clock_gettime() using CLOCK_MONOTONIC. This clock is not affect by manual time or ntp changes""

This reverts commit 67c38ca8a030ba987e4f47b4813e306479c76ba5.
Revert "Revert "Update vrrpd.h""

This reverts commit 870125281efa773ccd97c23cbf34ba26ecd6dd4d.
Revert "Revert "Vrrpd 1.11""

This reverts commit 5f5748bf0018e9dd9af8e2bb30028365857a8bc2.