netifyd: Updated to v2.93

netifyd: Updated to v2.93

Maintainer: Darryl Sokoloski / @dsokoloski
Compile tested: arm_cortex-a15_neon-vfpv4, TP-Link Archer C2600, master
Run tested: TP-Link Archer C2600

Change log for v2.93:
[IMP] FreeBSD: Added deploy target (package).
[IMP] Debian: Added OS detection.
[IMP] Ubuntu: Added OS detection.
[IMP] CentOS: Added OS detection.
[IMP] RedHat: Added OS detection.
[IMP] OpenWrt: Updated build documentation.

[FIX] Updated function names for enable/disable sink server.

Signed-off-by: Darryl Sokoloski <darryl@sokoloski.ca>