Release 1.5.8

Release 1.5.8

* [CritFix] Fix memory leak in fuzzy check
* [CritFix] Fix memory leak in maps scheduling
* [Feature] Multimap: email:domain:tld filter
* [Fix] DKIM Signing: avoid nil index when From header is missing
* [Fix] Do not set bayes probability if we don't use it
* [Fix] Do not stop on illegal unicode points - replace them
* [Fix] Fix brain-damaged spamc protocol for now
* [Fix] Fix Redis timeout set
* [Fix] Fix spamc support in rspamd proxy
* [Fix] Multimap: Received IP filters with Redis
* [Fix] Parse rgb[a](x,x,x[,x]) css colors
* [Fix] Reresolve upstreams even if there is a single server there
* [Fix] Treat empty address as valid
* [Fix] Try harder to detect CTE
* [Fix] Try to deal with v4 mapped to v6 addresses on accept
* [Minor] Add `wsf` and `hta` bad archive extensions
* [Minor] Fix configuration option
* [Minor] Fix result parsing for SAVAPI
* [Minor] Further logging improvements
* [Minor] Improve logging of errors
* [Minor] Prevent MID_CONTAINS_FROM from firing on empty address
* [Minor] Reduce digit->number transmission penalty
* [Minor] Relax CTYPE_MISSING_DISPOSITION rule

Signed-off-by: Vsevolod Stakhov <vsevolod@highsecure.ru>