Release 0.9.5

Release 0.9.5

* Avoid double free when extending HTTP message.
* Fix double free if multiple classifiers are defined.
* Fix misprint in spamassassin plugin.
* Fix cpuid invocation on i386.
* Fix ownership issues for zero-copy decode.
* Allow __len metamethod on rspamd{text}.
* Add base64 decoding lua utility.
* Fix build on FreeBSD
* Skip spaces at the beginning of mime messages.
* DBL_ABUSE_REDIR should not have significant weight.
* Allow to split by lua_regexp rspamd{text} objects.
* Allow to specify custom stop pattern for lua_tcp.

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