Added whenever to manage cronjobs.

Gemfile.lock

@@ -57,6 +57,7 @@ GEM
       erubis (>= 2.7.0)
     binding_of_caller (0.6.8)
     builder (3.0.4)
+    chronic (0.9.0)
     client_side_validations (3.1.4)
     coderay (1.0.8)
     coffee-rails (3.2.2)
@@ -111,7 +112,7 @@ GEM
       activesupport (~> 3.1)
       polyamorous (~> 0.5.0)
     mime-types (1.19)
-    multi_json (1.3.7)
+    multi_json (1.5.0)
     mysql2 (0.3.11)
     pdf-reader (1.2.0)
       Ascii85 (~> 1.0.0)
@@ -206,6 +207,9 @@ GEM
       multi_json (~> 1.0, >= 1.0.2)
     vegas (0.1.11)
       rack (>= 1.0.0)
+    whenever (0.8.1)
+      activesupport (>= 2.3.4)
+      chronic (>= 0.6.3)
     wikicloth (0.8.0)
       builder
       expression_parser
@@ -244,4 +248,5 @@ DEPENDENCIES
   therubyracer
   twitter-bootstrap-rails
   uglifier (>= 1.0.3)
+  whenever
   wikicloth