implemented Redis functionality

Gemfile.lock

@@ -33,8 +33,10 @@ GEM
     activesupport (3.0.5)
     addressable (2.2.6)
     arel (2.0.10)
+    bcrypt-ruby (2.1.4)
     bcrypt-ruby (2.1.4-x86-mingw32)
     builder (2.1.2)
+    daemons (1.0.10)
     devise (1.3.4)
       bcrypt-ruby (~> 2.1.2)
       orm_adapter (~> 0.0.3)
@@ -44,7 +46,7 @@ GEM
     faraday (0.6.1)
       addressable (~> 2.2.4)
       multipart-post (~> 1.1.0)
-      rack (>= 1.1.0, < 2)
+      rack (< 2, >= 1.1.0)
     gem_plugin (0.2.3)
     haml (3.1.2)
     haml-rails (0.3.4)
@@ -64,6 +66,9 @@ GEM
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
     mime-types (1.16)
+    mongrel (1.2.0.pre2)
+      daemons (~> 1.0.10)
+      gem_plugin (~> 0.2.3)
     mongrel (1.2.0.pre2-x86-mingw32)
       gem_plugin (~> 0.2.3)
     multi_json (1.0.3)
@@ -114,6 +119,8 @@ GEM
       thor (~> 0.14.4)
     rake (0.9.2)
     redis (2.2.1)
+    redis-namespace (1.0.3)
+      redis (< 3.0.0)
     ruby-openid (2.1.8)
     ruby-openid-apps-discovery (1.2.0)
       ruby-openid (>= 2.1.7)
@@ -121,6 +128,7 @@ GEM
       sexp_processor (~> 3.0)
     sass (3.1.2)
     sexp_processor (3.0.5)
+    sqlite3 (1.3.3)
     sqlite3 (1.3.3-x86-mingw32)
     sqlite3-ruby (1.3.3)
       sqlite3 (>= 1.3.3)
@@ -139,6 +147,7 @@ GEM
       oauth (>= 0.4.4)
 
 PLATFORMS
+  ruby
   x86-mingw32
 
 DEPENDENCIES
@@ -155,6 +164,7 @@ DEPENDENCIES
   rails (= 3.0.5)
   rake
   redis
+  redis-namespace
   ruby_parser
   sass
   sqlite3