Merge commit '82e477b184b5666fff7fb55933dce22ca2925db8' into glitch-soc/merge-upstream

Conflicts:
- `db/migrate/20180831171112_create_bookmarks.rb`:
  Upstream ran a lint fix on this file, but this file is different in
  glitch-soc because the feature was added much earlier.
  Ran the lint fix on our own version of the file.

lib/tasks/branding.rake

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 namespace :branding do
   desc 'Generate necessary graphic assets for branding from source SVG files'
   task generate: :environment do

lib/tasks/repo.rake

@@ -50,7 +50,7 @@ namespace :repo do
         file.each_line do |line|
           if line.start_with?('-')
             new_line = line.gsub(/#([[:digit:]]+)*/) do |pull_request_reference|
-              pull_request_number = pull_request_reference[1..-1]
+              pull_request_number = pull_request_reference[1..]
               response = nil
 
               loop do