Merge branch 'develop' into standalone_develop

app/controllers/users/statistics_controller.rb

@@ -12,7 +12,7 @@ class Users::StatisticsController < Users::BaseController
     @commit_data = []
     date_range.each do |date|
       @date_data << date.strftime("%Y.%m.%d")
-      @issue_data << observed_user.issues.where("DATE(created_on) = ?", date).size
+      @issue_data << observed_user.issues.issue_issue.where("DATE(created_on) = ?", date).size
       @pull_request_data << observed_user.pull_requests.where("DATE(created_at) = ?", date).size
       date_commit_data = commit_data.blank? ? nil : commit_data.select{|item| item["timestamp"] == date.to_time.to_i}
       @commit_data << (date_commit_data.blank? ? 0 : date_commit_data[0]["contributions"].to_i)