added rake task to clear and re-seed the database on schedule

lib/tasks/reset.rake

@@ -0,0 +1,17 @@
+namespace :community do
+
+  desc "clears the database"
+  task :reset do
+    if Rails.env == "production"
+      Rake::Task['pg:reset'].invoke
+    else
+      Rake::Task['db:migrate:reset'].invoke
+    end
+  end
+
+  desc "re-seed the database"
+  task :seed => :reset do
+    Rake::Task['db:seed'].invoke
+  end
+  
+end