update Rails to 3.1.1, bump Sequel

Gemfile

@@ -1,9 +1,8 @@
 source 'http://rubygems.org'
 
-rails_version = '~> 3.1.0.rc'
+rails_version = '~> 3.1.1.rc'
 
 gem 'activerecord',   rails_version
-gem 'activeresource', rails_version
 gem 'actionpack',     rails_version
 
 gem 'rake'

Gemfile.lock

@@ -1,9 +1,9 @@
 GEM
   remote: http://rubygems.org/
   specs:
-    actionpack (3.1.0)
-      activemodel (= 3.1.0)
-      activesupport (= 3.1.0)
+    actionpack (3.1.1.rc1)
+      activemodel (= 3.1.1.rc1)
+      activesupport (= 3.1.1.rc1)
       builder (~> 3.0.0)
       erubis (~> 2.7.0)
       i18n (~> 0.6)
@@ -12,30 +12,25 @@ GEM
       rack-mount (~> 0.8.2)
       rack-test (~> 0.6.1)
       sprockets (~> 2.0.0)
-    activemodel (3.1.0)
-      activesupport (= 3.1.0)
-      bcrypt-ruby (~> 3.0.0)
+    activemodel (3.1.1.rc1)
+      activesupport (= 3.1.1.rc1)
       builder (~> 3.0.0)
       i18n (~> 0.6)
-    activerecord (3.1.0)
-      activemodel (= 3.1.0)
-      activesupport (= 3.1.0)
+    activerecord (3.1.1.rc1)
+      activemodel (= 3.1.1.rc1)
+      activesupport (= 3.1.1.rc1)
       arel (~> 2.2.1)
       tzinfo (~> 0.3.29)
-    activeresource (3.1.0)
-      activemodel (= 3.1.0)
-      activesupport (= 3.1.0)
-    activesupport (3.1.0)
+    activesupport (3.1.1.rc1)
       multi_json (~> 1.0)
     addressable (2.2.6)
     archive-tar-minitar (0.5.2)
     arel (2.2.1)
-    bcrypt-ruby (3.0.0)
     builder (3.0.0)
     columnize (0.3.4)
     data_objects (0.10.6)
       addressable (~> 2.1)
-    diff-lcs (1.1.2)
+    diff-lcs (1.1.3)
     dm-aggregates (1.1.0)
       dm-core (~> 1.1.0)
     dm-core (1.1.0)
@@ -60,9 +55,9 @@ GEM
     mocha (0.9.12)
     multi_json (1.0.3)
     mysql (2.8.1)
-    mysql2 (0.3.6)
+    mysql2 (0.3.7)
     pg (0.11.0)
-    rack (1.3.2)
+    rack (1.3.3)
     rack-cache (1.0.3)
       rack (>= 0.4)
     rack-mount (0.8.3)
@@ -94,7 +89,7 @@ GEM
       ruby-debug-base19 (>= 0.11.19)
     ruby_core_source (0.1.5)
       archive-tar-minitar (>= 0.5.2)
-    sequel (3.25.0)
+    sequel (3.27.0)
     sprockets (2.0.0)
       hike (~> 1.2)
       rack (~> 1.0)
@@ -107,9 +102,8 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  actionpack (~> 3.1.0.rc)
-  activerecord (~> 3.1.0.rc)
-  activeresource (~> 3.1.0.rc)
+  actionpack (~> 3.1.1.rc)
+  activerecord (~> 3.1.1.rc)
   dm-aggregates
   dm-core
   dm-migrations