Correctly quote spell text contents inside the xml container
Make cleanup() method public
Don't trim whitespace in folder names (#1488955)

Conflicts:

	plugins/managesieve/Changelog
Bump version number up to 6.2
- Fix regression in handling LDAP contact identifiers (#1488959)
Fix NUL characters in content-type of ms-tnef attachment (#1488964)
Fix typo in DB version strings (there should be no .sql suffix)
Add workaround for invalid message charset detection by IMAP servers (#1488968)
If version is not provided assume RCMAIL_VERSION (#1488933)
Don't try to print file extension in a warning message if it's not available
Synced localizations with Transifex
Fix plain text spellchecker icorrect highlighting in non-ASCII text (#1488973)
Localization updates from Transifex
Don't skip message/* attachments when opening a draft. Restore check as it was before [fa57c988]
Merge branch 'release-0.9' of github.com:roundcube/roundcubemail into release-0.9
Fixed ACL edition in advanced mode
Update copyright in about pages
Add 0.9-rc section
Display notice that message is encrypted also for application/pkcs7-mime messages (#1488526)
Update changelog