Remove redundant ini checks
Add rcube_db::escapeSimple() method for backward compat.
CS fixes (converted tabs to spaces)
Fix links to PHP PDO drivers manual
Fix typo simpleEscape -> escapeSimple
Add rcube_db::escape() method, fix escapeSimple() to use escape instead of quote()
Fix typos

Allows the new_user_dialog plugin to work properly
Fix handling of deprecated boolean value of reply_mode option (#1489052)

Conflicts:

	CHANGELOG
Fix DB error when creating a new contact and a group is selected (#1489051)
Fix list of required configuration options (#1489055). Removed support_url, and db_table_*
Add 0.9.0 to releases list
Fix a typo
Fix unintentional messages list jumps on click in Internet Explorer (#1489056)
Fix incorrect handling of leading spaces in text wrapping
Fix another text wrapping issue
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