Updates Uglifier, trying to solve our asset precompilartion problems

Gemfile

@@ -38,7 +38,7 @@ gem "ejs",                     "~> 1.1.1"
 gem "turbo-sprockets-rails3",  "0.1.16"
 group :assets do
   gem 'sass-rails',            "~> 3.2.3"
-  gem 'uglifier',              "~> 1.0.3"
+  gem 'uglifier',              "~> 1.3.0"
   gem 'therubyracer',          "~> 0.9.10"
   gem 'compass',               "~> 0.12.1"
   gem 'compass-rails',         "~> 1.0.1"

Gemfile.lock

@@ -266,9 +266,9 @@ GEM
       railties (>= 3.1.0)
       sprockets (>= 2.0.0)
     tzinfo (0.3.33)
-    uglifier (1.0.4)
+    uglifier (1.3.0)
       execjs (>= 0.3.0)
-      multi_json (>= 1.0.2)
+      multi_json (~> 1.0, >= 1.0.2)
     uuidtools (2.1.3)
     vegas (0.1.11)
       rack (>= 1.0.0)
@@ -338,6 +338,6 @@ DEPENDENCIES
   therubyracer (~> 0.9.10)
   timecop (= 0.3.5)
   turbo-sprockets-rails3 (= 0.1.16)
-  uglifier (~> 1.0.3)
+  uglifier (~> 1.3.0)
   vizzuality-sequel-rails (= 0.3.5)
   yajl-ruby (= 1.1.0)