roundcubemail was updated to 1.0.4 fixing bugs and security issues.

Changes:
* Disable TinyMCE contextmenu plugin as there are more cons than pros in using it (#1490118)
* Fix bug where show_real_foldernames setting wasn't honored on compose page (#1490153)
* Fix issue where Archive folder wasn't protected in Folder Manager (#1490154)
* Fix compatibility with PHP 5.2. in rcube_imap_generic (#1490115)
* Fix setting flags on servers with no PERMANENTFLAGS response (#1490087)
* Fix regression in SHAA password generation in ldap driver of password plugin (#1490094)
* Fix displaying of HTML messages with absolutely positioned elements in Larry skin (#1490103)
* Fix font style display issue in HTML messages with styled elements (#1490101)
* Fix download of attachments that are part of TNEF message (#1490091)
* Fix handling of uuencoded messages if messages_cache is enabled (#1490108)
* Fix handling of base64-encoded attachments with extra spaces (#1490111)
* Fix handling of UNKNOWN-CTE response, try do decode content client-side (#1490046)
* Fix bug where creating subfolders in shared folders wasn't possible without ACL extension (#1490113)
* Fix reply scrolling issue with text mode and start message below the quote (#1490114)
* Fix possible issues in skin/skin_path config handling (#1490125)
* Fix lack of delimiter for recipient addresses in smtp_log (#1490150)
* Fix generation of Blowfish-based password hashes (#1490184)
* Fix bugs where CSRF attacks were still possible on some requests (CVE-2014-9587)