Show ANTIFLOOD flag in CService INFO

Show ANTIFLOOD (if enabled) in channel INFO flags output
include/protocol: Remove unused protocol headers
protocol/ngircd: add support for SSL-only cmode in MLOCK
protocol/ngircd: ngircd supports +qaohv now
protocol/ngircd: map umode +q to UF_IMMUNE to not enforce akicks against unkickable users
Merge branch 'master' of https://github.com/atheme/atheme into master+nukeoldproto
protocol/sporksircd: Remove sporksircd

Sporksircd has been dead for a long time and Elizacat approved of this removal
Merge pull request #327 from siniStar7boy/upstream

Show ANTIFLOOD flag in CService INFO
dist/atheme.conf.example: add missing semicolon
Merge branch 'master' of https://github.com/atheme/atheme