Add ChanServ AKICK Check - pre-release/beta

* Beta/untested version.
* Check AKICKs upon startup and when a user does something to
affect the matching of an AKICK.
See #3.

cs_akick_check.cpp

@@ -0,0 +1,86 @@
+/*
+ * ChanServ AKICK Check
+ *
+ * (C) 2018 - Matt Schatz (genius3000@g3k.solutions)
+ * Please refer to the GPL License in use by Anope at:
+ * https://github.com/anope/anope/blob/master/docs/COPYING
+ *
+ * Check channel AKICKs upon services start, when a user
+ * logs in or out of an account, groups a nick, or
+ * changes their nickname or displayed host.
+ *
+ * Configuration to put into your chanserv config:
+module { name = "cs_akick_check" }
+ */
+
+#include "module.h"
+
+
+class CSAkickCheck : public Module
+{
+ public:
+	CSAkickCheck(const Anope::string &modname, const Anope::string &creator)
+		: Module(modname, creator, THIRD)
+	{
+		if (Anope::VersionMajor() != 2 || Anope::VersionMinor() != 0)
+			throw ModuleException("Requires version 2.0.x of Anope.");
+
+		this->SetAuthor("genius3000");
+		this->SetVersion("0.9.0");
+	}
+
+	void OnUplinkSync(Server *) anope_override
+	{
+		for (channel_map::const_iterator chan = ChannelList.begin(), chan_end = ChannelList.end(); chan != chan_end; ++chan)
+		{
+			Channel *c = chan->second;
+			for (Channel::ChanUserList::iterator it = c->users.begin(), it_end = c->users.end(); it != it_end; )
+			{
+				ChanUserContainer *uc = it->second;
+				++it;
+
+				c->CheckKick(uc->user);
+			}
+		}
+	}
+
+	void CheckAkicks(User *u)
+	{
+		for (User::ChanUserList::iterator it = u->chans.begin(), it_end = u->chans.end(); it != it_end; )
+		{
+			ChanUserContainer *cc = it->second;
+			++it;
+
+			Channel *c = cc->chan;
+			if (c)
+				c->CheckKick(u);
+		}
+	}
+
+	void OnNickGroup(User *u, NickAlias *) anope_override
+	{
+		CheckAkicks(u);
+	}
+
+	void OnNickLogout(User *u) anope_override
+	{
+		CheckAkicks(u);
+	}
+
+	void OnSetDisplayedHost(User *u) anope_override
+	{
+		CheckAkicks(u);
+	}
+
+	void OnUserNickChange(User *u, const Anope::string &) anope_override
+	{
+		CheckAkicks(u);
+	}
+
+	void OnUserLogin(User *u) anope_override
+	{
+		CheckAkicks(u);
+	}
+};
+
+MODULE_INIT(CSAkickCheck)