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)
Align double-click time in list.js and app.js
Unify codestile
Fix connecting when host is specified with protocol prefix e.g. ssl://