[kde-doc-english] [trojita] /: Merge changes from topic 'crypto-malformed'

[Gerrit Code Review]

Git commit 904af414f05c0031ccd96e000ddc4dde616af687 by Gerrit Code Review, on behalf of Jan Kundrát.
Committed on 04/05/2016 at 08:16.
Pushed by gerrit into branch 'master'.

Merge changes from topic 'crypto-malformed'

* changes:
  GUI: handle malformed crypto messages properly
  crypto: Allow access to all parts upon seeing malformed messages
  crypto: Unify handling of disappearing content
  crypto: Support appending more items as children
  Do not assert crash on signed e-mails with some parts stripped down
  trivial: Fix English
  tests: Fix duplicate test data identification
  tests: Unify enclosing parentheses for all test data


http://commits.kde.org/trojita/904af414f05c0031ccd96e000ddc4dde616af687