Error message only when initialization hadn't been done

In a multithread environment, sogo_backend_init is registering the thread
only for the first one that calls this function, then the others threads
(even if they call sogo_backend_init) won't be registered because
moduleInitialized was YES.

We just want to ensure sogo_backend_init is called at least once (per process,
not per thread).
increase log level of debug message
Scripts/openchange_user_cleanup: Don't hardcode samba private dir, use samba LoadParm()

Signed-off-by: Kamen Mazdrashki <kmazdrashki@zentyal.com>
Compose new mail windows is now larger
Merge pull request #24 from Zentyal/kamenim/master-fix-7768

Scripts/openchange_user_cleanup: Don't hardcode samba private dir, use samba LoadParm()
Merge pull request #22 from Zentyal/jgarcia/register-thread

Jgarcia/register thread
Merge pull request #25 from Zentyal/mjulian/resize-new-mail-window

Compose new mail windows is now larger
Fix mysql cleanup log message
Merge pull request #26 from Zentyal/cperez/fix-cleanup-print

Fix mysql cleanup log message
openchange: return proper url for folders with non-ascii chars

toManyRelationshipKeysWithNamespaces applies asCSSIdentifier function
to the names which are already "Imap4Encoded". So we need to remove the
CSSIdentifier function first and then "Imap4Decode" to get the real name.

Once we have the real name, to create the url we have to use the same
logic as the function that creates the folder and creates this url for
the first time (this function is createRootSecondaryFolderWithFID)
which is to apply, in this order:

- asCSSIdentifier
- stringByEncodingImap4FolderName
- stringByAddingPercentEscapesUsingEncoding
Merge pull request #30 from Zentyal/jgarcia/fix-sync-issues-folders

Fix synchronization issues of folders with non-ascii chars
Merge pull request #32 from Zentyal/master

Update trusty