Merge branch 'google-code-changelog' into 'master'

Add Google Code importer to changelog.

cc @dzaporozhets

See merge request !537

CHANGELOG

@@ -12,6 +12,7 @@ v 7.11.0 (unreleased)
   -
 
 v 7.10.0 (unreleased)
+  - Allow projects to be imported from Google Code.
   - Allow users to be invited by email to join a group or project.
   - Don't crash when project repository doesn't exist.
   - Add config var to block auto-created LDAP users.