converted imagesize plugin to lib

schedule.rb

@@ -0,0 +1,19 @@
+set :output, "/var/log/whenever.log"
+
+every 1.day do
+  runner "TagSubscription.process_all"
+end
+
+every 1.day do
+  runner "PostPruner.new.prune!"
+end
+
+if environment == "production"
+  every 1.hour do
+    runner "AmazonBackup.execute"
+  end
+  
+  every 1.week do
+    runner "UserPasswordResetNonce.prune!"
+  end
+end