mod_log_ringbuffer: Document how to integrate with mod_debug_traceback

mod_log_ringbuffer: Switch `filename` to not be interpolated, add filename_template which is

mod_log_ringbuffer: Fix incorrect parameter name

mod_debug_traceback: Fix to use the cached traceback

mod_invites_api: Allow restricting HTTP methods per key (once implemented)

mod_log_ringbuffer: Update default filename to include data path

mod_debug_traceback: Descendent of mod_traceback with some additional features

mod_s2s_keepalive: Restore timer start (Thanks Ge0rG) Accidentally deleted

mod_s2s_keepalive: Fix response handler (thanks Ge0rG) So there are no 'iq-{result,error}/host' events, mod_iq only fires events for result stanzas that include the full 'id' attr. This fixes it by hooking the stanza router event.

mod_invites_page: Change client selection button text from 'Install' to 'Select' by default This also allows specific clients entries to override the text via the 'select_text' field. Rationale: 1) users may already have the software installed, we still want them to select it anyway for the tailored setup experience. 2) some clients (e.g. web clients) are not really "installed" so the text was misleading

mod_invites_page: Remove preauth URI button This button is incompatible with the majority of XMPP clients around, yet based on feedback from users, many are drawn to click it when they have any XMPP client installed already. In the case where the user already has software installed, we would prefer them to select it from the software list so they can follow the setup process suited to their specific client (we already track which software supports preauth URIs). If their client is not listed, they can still use the manual registration link instead.

mod_conversejs: Add comments about default settings

mod_conversejs/README: Complete list of auto-injected settings

mod_conversejs/README: Add text about preventing auto-load of mod_bosh/ws

mod_conversejs: Tweak wording Unqualified "It" read weirdly

mod_log_ringbuffer: New module to send logs to an in-memory ringbuffer

mod_s2s_keepalive: Fix name of timestamp function

mod_s2s_keepalive: Use timestamp as iq @id RFC 6120 implies that the id attribute must be unique within a stream. This should fix problems with remote servers that enforce uniqueness and don't answer duplicated ids. If it doesn't do that, then at least you can get a guesstimate at round-trip time from the difference between the result iq stanza and the timestamp it was logged without having to go look for when it was sent, or needing to keep state.

mod_welcome_page/html: Containerize the Jumbotron! This makes the jumbotron not take up the whole screen, if the screen is large-ish.

mod_invites_page: Fix table in README (thanks Ge0rG)

mod_welcome_page/html: Fix closing div tag!

mod_http_index: Remove unused CSS class

mod_http_index,muc_log: More CSS tweaks

mod_admin_web: Add a title for mod_http_index

mod_http_index,mod_http_muc_log: Tweak again Trying to make sure navigation link clickable area doesn't overlap.

mod_http_index, mod_http_muc_log: Tweak navigation element margins CSS, how does it work?!?

mod_http_index: Copy style from mod_http_muc_log (inc dark theme!) Mmmm unified style

mod_welcome_page: Serve from top level path (/) by default

mod_welcome_page/html: Fix form target if path isn't / action="/" only works if http_paths.welcome_page="/" while "" should work as long as the GET and POST URLs are the same.

Merge