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[#752 state:fixed assigned:mento]
[FIX] error msg

GPGMail may doesn’t work as expected.
-> GPGMail is not working as expected.
[FIX] allow more width in Preferences Window

[FIX] more width in GPGMail preferences window for localization strings
and „Check Now“ Button
[FIX] Restore sign and encrypt status when a editing of a draft is continued [#760 state:fixed] [#692 state:fixed]

- Already decides whether or not to encrypt a draft in [ComposeBackEnd makeMessageWithContents:isDraft:shouldSign:shouldEncrypt:shouldSkipSignature:shouldBePlainText:]
- Saves the current sign and encrpyt status as messages headers, in order to restore them later.
Merge branch 'dev' of https://github.com/GPGTools/GPGMail into dev
[FIX] Record sign and encrypt status even if not explicitly changed by the user [#761 state:fixed]
[FIX] Remove duplicate headers added by MailTags when saving a draft [#747 state:fixed]

- This only seems to occur if the message is to be encrypted and saved as a draft
  so the duplicated headers are only removed in that case.
[FIX] Keep signing information non non-drafts and properly sign the message upon sending [#762 state:fixed]
huge cleanup of error messages

improved many error messages
fixed http https confusion for website / support site
[#652 state:fixed assigned:steve milestone:2.1.1]
fixed typo in error message

type fixed
typo fix

typo fix
l10n

l10n
cleanup test cases

cleanup
clean up test cases

clean up test cases
better error messages

more consistent and streamlined error messages
include Testcase description file
removed old testcase