german translation: use "neu erstellen" instead of "wiederherstellen"

"wiederherstellen" actually means "to restore", which does not
apply here, and makes people think these options are some sort of
backup/restore operation.

use the proper translation of "re-create" -> "neu erstellen" instead.
Merge pull request #375 from m0vie/de

Update German translation
german translation: add missing strings
Small fix for German translation
Merge branch 'pr/376'

Update German translation
new strings translation
Update strings.xml
Fix issue_5931_shows_null_in_notification_while_sending_mail
Update strings.xml

Updates and improvements (RU)
Merge pull request #377

Update Czech translation
Merge pull request #379

Update French translation
Merge pull request #382

Update russian translation
Clean up translations
Update Czech, French, and Russian translation
Clean up code
Merge pull request #380

Fix notification showing "null" when sending mail
Update strings.xml
Add IMAP support for Outlook.com.
IMAP is no longer a Plus feature; removing the note saying that it is.

http://blogs.office.com/b/microsoft-outlook/archive/2013/09/12/outlook-com-now-with-imap.aspx
Merge pull request #384 from bboa/patch-1

Update ru strings.xml
4.512 changelog