update rspec

Gemfile

@@ -9,7 +9,7 @@ group :development do
   gem 'fakefs', '~> 0.3.2'
   gem 'rcov',   '~> 0.9.8'
   gem 'rr',     '~> 1.0.2'
-  gem 'rspec',  '~> 2.6.0'
+  gem 'rspec',  '~> 2.0'
   gem 'aws-s3'
   gem "rubyzip"
 end

Gemfile.lock

@@ -14,7 +14,7 @@ GEM
       xml-simple
     builder (3.0.0)
     crack (0.1.8)
-    diff-lcs (1.1.2)
+    diff-lcs (1.1.3)
     fakefs (0.3.2)
     hpricot (0.8.2)
     mime-types (1.16)
@@ -33,14 +33,14 @@ GEM
       mustache (>= 0.7.0)
       rdiscount (>= 1.5.8)
     rr (1.0.2)
-    rspec (2.6.0)
-      rspec-core (~> 2.6.0)
-      rspec-expectations (~> 2.6.0)
-      rspec-mocks (~> 2.6.0)
-    rspec-core (2.6.4)
-    rspec-expectations (2.6.0)
+    rspec (2.8.0)
+      rspec-core (~> 2.8.0)
+      rspec-expectations (~> 2.8.0)
+      rspec-mocks (~> 2.8.0)
+    rspec-core (2.8.0)
+    rspec-expectations (2.8.0)
       diff-lcs (~> 1.1.2)
-    rspec-mocks (2.6.0)
+    rspec-mocks (2.8.0)
     rubyzip (0.9.4)
     term-ansicolor (1.0.7)
     thor (0.14.6)
@@ -58,5 +58,5 @@ DEPENDENCIES
   rcov (~> 0.9.8)
   ronn
   rr (~> 1.0.2)
-  rspec (~> 2.6.0)
+  rspec (~> 2.0)
   rubyzip