Prefer https for Git checkouts

Signed-off-by: Michal Čihař <michal@cihar.com>

docs/admin/projects.rst

@@ -319,7 +319,7 @@ repository and you can use ``--reference`` option while cloning:
 
     git clone \
         --reference /path/to/checkout \
-        git://github.com/nijel/weblate.git \
+        https://github.com/nijel/weblate.git \
         weblate/repos/project/component
 
 Optimize configuration

weblate/accounts/tests/test_views.py

@@ -105,7 +105,7 @@ class ViewTest(TestCase):
                 'email': 'noreply@weblate.org',
                 'project': 'HOST',
                 'url': 'http://example.net',
-                'repo': 'git://github.com/nijel/weblate.git',
+                'repo': 'https://github.com/nijel/weblate.git',
                 'mask': 'po/*.po',
                 'message': 'Hi\n\nI want to use it!',
             }

weblate/trans/tests/test_models.py

@@ -47,8 +47,8 @@ from weblate.trans.search import clean_indexes
 
 REPOWEB_URL = \
     'https://github.com/nijel/weblate-test/blob/master/%(file)s#L%(line)s'
-GIT_URL = 'git://github.com/nijel/weblate-test.git'
-HG_URL = 'https://nijel@bitbucket.org/nijel/weblate-test'
+GIT_URL = 'https://github.com/nijel/weblate-test.git'
+HG_URL = 'https://bitbucket.org/nijel/weblate-test'
 
 
 class RepoTestCase(TestCase):