fix localtime call -> _r

Conditionally compile the SASL code only with botan and database

Implement SASL plain authentication

Add a missing max_history_length field in the IRC server option form

Properly set the default values for invalid integer conf options

fix #3372

USe safer functions, gmtime_r and localtime_r

Disable the throttle limit if negative

Also, invalid values result in -1 being set

Fix the real_type of ThrottleLimit

Remove a bunch of useless empty lines

Rename SetDesc to set_desc, and only define it if USE_DATABASE

Make SetDesc static

Fix incorrect setting of field description in Ad-Hoc config forms

The description has to be a child element of the field, not an
attribute.

Throttle all commands sent to IRC servers

fix #3354

Merge branch 'v8'

Do not use (or present to the user) the Address field in fixed mode

fix #3359

Empty the <command/> nodes before reusing them in our responses

fix #3356

Missing fields in a data-form response are now interpreted as an empty value

Use Config::is_in_list() to allow for multiple admins

Refactor that fixes a compilation issue in Release mode

Some template specialization were not found, because they were not declared
at the point they were used.

We moved things around, things are less inter-dependant, and also now it
works.

Add a missing pointer check