Fix symbol names.
Rework printf functions.
Simplify logfiles escaping.
Reduce weight of FORGED_RECIPIENTS rule.
Adjust weights for uribl lists.
Use dynamic buffer for stat and counters.
Merge.
Add metric for HELO_NOT_FQDN
Add rule for HELO host FQDN check
Merge pull request #14 from AlexeySa/master

Add rule for HELO host FQDN check
Fix dkim checks for relaxed body encoding.
Improve spamhaus RBL support.

Submitted by: AL
Add function rspamd_config:register_symbols

Use the following syntax:

rspamd_config:register_symbols(<callback>, [weight(optional)], 'symbol1', 'symbol2' ...)
Add hfilter - an advanced set of helo and hostname checks.

Submitted by: AL
Slowly move to 0.6.6
Remove HELO_NOT_FQDN as it exists in hfilter.

Submitted by: AL
Fix reload of rspamd.
Fix escape symbols in hfilter.
Rework build system.
Fix linking libraries.