* Fix critical bug in webui that prevents password from being sent
* Rework webui view:
	- Switch to d3.js for graphs
	- Improve piechart look
	- Rework colors for piechart
	- Fix layout for symbols
	- Fix refresh button
* Add descriptions for whitelist maps
* Fix build on arm (#379)
* Fix issue with the last element in the radix trie
* Add more tests for radix trie algorithm
* Allow to extract URLs from query strings of other URLs (#361)
* Initialize rrd fields before writing to file
* Fix double free if no password has been specified

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

Reported by: Golub Mikhail

Issue: #361
Reported by: @socksrambler

Issue: #379
Reported by: @Gottox

* Add writing to rrd from the controller
* Fixed lots of bugs in rrd code
* Adopt new DNS API in hfilter plugin (by @AlexeySa)
* Allow only one controller process to manage rrd file
* Set event base for fuzzy calls
* Improve fuzzy IO errors logging
* Add rra extraction function to rrd library
* Add graph handler to the controller
* Cache correct passwords to avoid too high CPU usage when working with webui
* Controller sockets are owned by router do not export them to task
* Optimize logging by skipping hash table search if it's empty
* Fix loading issue whith broken statfiles
* Print assertions from glib to rspamd logger
* Load legacy `lua/rspamd.local.lua`
* Update webui with some fixes to learning and scanning

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

Fix Hfilter plugin with the new DNS API

Merge changes from OBS (except for EL6 stuff)

* Rework symbols processing:
	- Improve sorting logic for symbols
	- Organize processing into multiple stages
	- Added asynchronous watchers for symbols
	- Added ability to organize dependencies between symbols
* Fixed URL redirector:
	- Use optimized POE loop
	- Organize dependencies
	- Fix startup
* New sqlite3 backend:
	- Allow to have per-languages and per-user statistics
	- Allow sqlite3 to be used as statistics backend
* Store tokenizer configuration within statfiles
* Improve bayes statistics:
	- Use headers and images metainformation in bayes
	- Suggest using of pre-processed tokens for statistics
	- Fix tokens normalization for OSB algorithm
* Rewrite url parsing:
	- Fix numerous issues with url extraction and normalization
	- Fix mailto urls
* Fix settings plugin to allow custom actions scores
* Improve rbl plugin
* Allow capturing patterns in rspamd lua regexp library
* Add GTUBE support
* Fix spamc legacy support
* Add DKIM support to RBL module
* Fix issues with multiple DKIM signatures
* Fix issue if rspamd cannot create statfiles (#331)
* Rework parts and task structure:
	- Now text_parts, parts and received are arrays
	- Pre-allocate arrays with some reasonable defaults
	- Use arrays instead of lists in plugins and checks
	- Remove unused fields from task structure
	- Rework mime_foreach callback function
	- Remove deprecated scan_milliseconds field
* Add ip_score plugin support (not enabled by default):
	- Can check for asn/country and network using DNS lookups
	- Can store and load reputation from redis server
* Improve PARTS_DIFFER rule to count merely different words
* New HTML parser:
	- Parses HTML parts using a set of state machines
	- Extracts useful data and exports it to lua functions:
		+ Styles
		+ Images
		+ URLs
		+ Colors
		+ Structure elements
	- Added HTML rules for some checks
* New version of LUA DNS API
* Table versions of many functions in LUA API
* Improve rspamc client:
	- Print execution time
	- Allow executing of external commands and passing output to them
	- Allow mime output mode when rspamc alters message according to rspamd
		checks and send it to an external command or stdout
* Allow scanning of local files using HTTP requests
* Rework configuration system:
	- Rules are now moved from the $CONFDIR to $RULESDIR to avoid ambiguity
	- All modules configurations are now split in $CONFDIR/modules.d/* to
		simplify upgrades
	- Move hfilter to plugins
	- Allow plugins and rules to define default scores to simplify metrics
		setup
	- Include overrides for all modules to honor local/automatic parameters
	- Tune scores for many modules
* Rework and enable DMARC plugin
* Add whitelist plugin for SPF/DKIM/DMARC based whitelisting
* Add some common domains to whitelists shipped with rspamd
* Rework logging:
	- Now each log entry supports module name and a `tag`. Tag is used to
		identify unique objects (such as tasks) when checking log files
	- It is possible to turn on debugging for the specific modules
	- Systemd logging is fixed
* Improve spamassassin plugin.
	- Now headers are matched more like SA
	- Improve support of Message-ID
	- Add support of ToCc header type
	- Fix :addr and :name in headers regexps
* Resurrect rrd support code
* Save controller stats between restarts
* Fixed tonns of bugs
* Added tonns of minor improvements and features
* Added more unit tests
* Create functional tests framework
* Added documentation for missing modules
* Added rpm/deb repositories and scripts
* Updated WebUI and libucl externals

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

Fix DKIM RBL