Fix incorrect handling of some specific links (#1489060)

Conflicts:

	program/lib/Roundcube/rcube_string_replacer.php
Add note about required MSSQL database language settings
Fix error when using check_referer=true
Extend fetched header block to 32K, require one of subjct, from or to headers
Fix error handling in CLI mode, use STDERR and non-empty exit code (#1489043)

Conflicts:

	program/lib/Roundcube/rcube.php
Fix exit code on bootsrap errors in CLI mode (#1489044)
Fix possible collision in generated thumbnail cache key (#1489069)
Fix messages list focus issue in Internet Explorer (#1489058)

Conflicts:

	CHANGELOG
Fix PDF support detection for Firefox PDF.js (#1488972)
Fix min_refresh_interval handling on preferences save (#1489073)
Fix list page reset when viewing a message in Larry skin (#1489076)
Catch possible "Permission denied" error on iframe elements in IE
Remove moveTo() call which causes problems in Chrome and has no real effect in other browsers (#1488931)
Update changelog
Fix handling untagged responses in IMAP FETCH - "could not load message" error (#1489074)
Inlcude SQL query in the log on SQL error (#1489064)
Fix removal of a contact from a group in LDAP addressbook (#1489081)

Conflicts:

	CHANGELOG
Fix so addressbook_search_mode works also for group search (#1489079)
Fix so Sender: address is added to Cc: field on reply to all (#1489011)
Fix Reply-To header handling in Reply-All action (#1489037)