Catch warning on is_readable() failure (open_basedir restriction)
Fix another text wrapping issue (wrong handling of long unwrappable lines)
Fix fatal error when parsing UUencoded messages (#1489119)

Conflicts:

	CHANGELOG
Fix browser warnings on PDF plugin detection (#1489118)
Fix displaying contact with ID divisible by 100 in sql addressbook (#1489121)
Fix invalid option selected in default_font selector when font is unset (#1489112)
Print nicer error message when too old PHP version found - required by mysql driver (#1489099)
Fix PHP warning in html_table::set_row_attribs() in PHP 5.4 (#1489094)
Fix fatal error when xdebug.max_nesting_level was exceeded in rcube_washtml (#1489110)
Fix bug where a message was opened in both preview pane and new window on double-click (#1489122)
Fix handling of comma when adding contact from contacts widget (#1489107)
Fix washtml test after "unsupported node type" fix
Fix connection to posgtres db using unix socket (#1489132)

Conflicts:

	CHANGELOG
Fix performance regression in text wrapping function (#1489133) - don't use iconv here
Fix unintentional compose window resize (#1489114)

Conflicts:

	program/js/app.js
Backport popup windows size fixes from master
Fix PHP warning when responding to a message with many Return-Path headers (#1489136)

Conflicts:

	CHANGELOG
Fix displaying messages with invalid self-closing HTML tags (#1489137)
Fix removing flags from serialized object before saving it in DB
Fix bug where serialized strings were truncated in PDO::quote() (#1489142)

Conflicts:

	CHANGELOG
	program/lib/Roundcube/rcube_cache_shared.php