0. Enable email verification
1. Register `dog`
2. Register `d0g`
3. Verify `dog`
4. Verify `d0g`: verification succeeds but the nick cannot be used

fix #1330

fix #1327

fix #1326

fix #1322

fix xop levels for anope

update MANUAL.md with toc links, some umodes, and some language

support anope passphrase hashes

USERHOST needs to respect hidden operators as well

separate rawHostname and cloakedHostname for always-on clients

This affects RPL_WHOISACTUALLY and possibly others.

hidden operators, tweaks to default operator config

See #1309

fix #1312

review fix for #1308

fix #1075

first draft of atheme migration code

1. Avoid undefined behavior of time.Time{}.UnixNano()
2. Times should be compared with Equal()

fix #1293

fix #1303

auditorium mode

actually enable the +T no-ctcp umode

ParseUserModeChanges and ParseChannelModeChanges already validate
that the modes are modifiable, so there's no need to repeat it here.