Added admin:create rake task

lib/tasks/admin.rake

@@ -0,0 +1,23 @@
+desc "Creates a forum administrator"
+task "admin:create" => :environment do
+  require 'highline/import'
+  begin
+    admin = User.new
+    admin.email = ask("Email:")
+    admin.username = "admin"
+    begin
+      password = ask("Password:") {|q| q.echo = false}
+      password_confirmation = ask("Repeat password:") {|q| q.echo = false}
+    end while password != password_confirmation
+    admin.password = password
+    # admin.email_confirmed = true
+    saved = admin.save
+    if !saved
+      puts admin.errors.full_messages.join("\n")
+      next
+    end
+  end while !saved
+  admin.grant_admin!
+  admin.change_trust_level!(TrustLevel.levels.max_by{|k, v| v}[0])
+  admin.email_tokens.update_all  confirmed: true
+end