Backport to v1.2 of PR 2266 2467 2663 (#2788)

* Only check at least one email gpg key (#2266)

* Only require one email (possibly not yet validated)

* Update message error and check validation of commit

* Add integrations tests

* Complete integration for import

* Add pre-check/optimization

* Add some test (not finished)

* Finish

* Fix fixtures

* Fix typo

* Don't guess key ID

* Make repo private to no interfere with other tests (#2467)

* GPG key email verification no longer case sensitive (#2661) (#2663)

* GPG key email verification no longer case sensitive (#2661)

* case insensitive GPG key email verification now cached (#2661)

Signed-off-by: Julian Scholle <julian.scholle@googlemail.com>

models/fixtures/repository.yml

@@ -176,3 +176,15 @@
   lower_name: repo15
   name: repo15
   is_bare: true
+
+-
+  id: 16
+  owner_id: 2
+  lower_name: repo16
+  name: repo16
+  is_private: true
+  num_issues: 0
+  num_closed_issues: 0
+  num_pulls: 0
+  num_closed_pulls: 0
+  num_watches: 0

models/fixtures/user.yml

@@ -26,7 +26,7 @@
   is_admin: false
   avatar: avatar2
   avatar_email: user2@example.com
-  num_repos: 3
+  num_repos: 4
   num_stars: 2
   num_followers: 2
   num_following: 1