Fixes timeouts due to 45233543 while
still allowing script init functions to use the who list.

Fixes
  mwjs error: Script exceeded flood limit
  mwjs error: Error: error (rc -1)

This also fixes the use of the central script loading directory,
any load or include instruction also checks in HOMEPATH/scripts/

Works around build failures on Debian due to a spurious 'warning' similar to
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=28492

The purge begins.

flags can be used to set attributes for the message (e.g. replayed)
format can be used to version the on-disk structure of the messages
when we want to add more fields.

Assign a timestamp to messages on creation and apply a timestamp to each
incoming message as we don't trust the client's timestamp anyway. This
avoids playing whack-a-mole trying to propagate the correct timestamp in
different situations.

Fixes #33

Makes sure multibyte chars aren't truncated.

Fixes #41

Just a quick fix until all the mwscript event handler stuff is mucked
out.

(Or anything that isn't .mwrc or a .js file)

function handler(ev)
{
	switch (ev.type) {
        case "mw_logon":
        case "mw_logoff":
        case "talker_join":
        case "talker_leave":
                onoff = ev.data;
		t = new Date(onoff.unixtime * 1000);
		mw.print("onoff event at: " + t);
		break;
	}
	return true;
}
mw.onevent.push(handler);

Don't send separate messages to announce these events, have mw display
them on receipt of onoff events, if scripted handlers allow it to.

If we dont alter the output string until we have a valid escape sequence
then we dont accidentally forget the current acting colour when bad
sequences are found

implements #38

Also fix and simplify the implementation of mw.command

Fixes #34

Fixes #36

Fixes #33

Seems a bit pointless. Also this is a portability improvement since it
doesn't work on *BSD.

Rearrange the order of the questions new users are asked, use more
welcoming words and separate out the data protection statement into a
config file (/etc/mw/data_usage.txt by default).

Should make it simpler to move logging into the server.