.travis.yml in active_shipping-1.13.1 vs .travis.yml in active_shipping-1.13.2

- old
+ new
@@ -8,17 +8,29 @@
 - "2.2.2"
 - "2.3.1"
 
 gemfile:
 - gemfiles/activesupport32.gemfile
+- gemfiles/activesupport32_nokogiri_17.gemfile
 - gemfiles/activesupport40.gemfile
+- gemfiles/activesupport40_nokogiri_17.gemfile
 - gemfiles/activesupport41.gemfile
+- gemfiles/activesupport41_nokogiri_17.gemfile
 - gemfiles/activesupport42.gemfile
+- gemfiles/activesupport42_nokogiri_17.gemfile
 - gemfiles/activesupport50.gemfile
 - gemfiles/activesupport_master.gemfile
 
 matrix:
   exclude:
+    - rvm: "2.0"
+      gemfile: gemfiles/activesupport32_nokogiri_17.gemfile
+    - rvm: "2.0"
+      gemfile: gemfiles/activesupport40_nokogiri_17.gemfile
+    - rvm: "2.0"
+      gemfile: gemfiles/activesupport41_nokogiri_17.gemfile
+    - rvm: "2.0"
+      gemfile: gemfiles/activesupport42_nokogiri_17.gemfile
     - rvm: "2.0"
       gemfile: gemfiles/activesupport50.gemfile
     - rvm: "2.0"
       gemfile: gemfiles/activesupport_master.gemfile
     - rvm: "2.1"