Changes to get specs to green. Remove Ruby version related dotfiles to allow use of multiple Ruby versions

.gitignore

@@ -9,4 +9,7 @@ examples/db/*.db
 examples/config/database.yml
 db/config.yml
 db/test.sqlite3
+.rbenv-version
+.rvmrc
+.ruby-version
 .vagrant

.rbenv-version

@@ -1 +0,0 @@
-1.9.2-p290

.rvmrc

@@ -1 +0,0 @@
-rvm 1.9.3

.travis.yml

@@ -2,6 +2,7 @@ language: ruby
 rvm:
   - 1.9.3
   - 2.0.0
+  - 2.1.0
 # TODO: make this work with the regular rake command
 script: "bundle exec rake spec"
 gemfile:
@@ -11,7 +12,5 @@ before_script:
   - psql -c 'create database database_cleaner_test;' -U postgres
   - cp db/sample.config.yml db/config.yml
 services:
+  - redis-server
   - mongodb
-matrix:
-  allow_failures:
-    - rvm: 2.0.0

spec/database_cleaner/active_record/transaction_spec.rb

@@ -58,7 +58,7 @@ module DatabaseCleaner
             connection.should_receive(:open_transactions).and_return(1)
 
             connection.stub(:respond_to?).with(:decrement_open_transactions).and_return(true)
-            connection.stub(:respond_to?).with(:rollback_transaction_records).and_return(false)
+            connection.stub(:respond_to?).with(:rollback_transaction_records, true).and_return(false)
             connection.stub(:respond_to?).with(:rollback_transaction).and_return(false)
             connection.stub(:rollback_db_transaction)
 
@@ -75,7 +75,7 @@ module DatabaseCleaner
           it "should decrement connection via ActiveRecord::Base if connection won't" do
             connection.should_receive(:open_transactions).and_return(1)
             connection.stub(:respond_to?).with(:decrement_open_transactions).and_return(false)
-            connection.stub(:respond_to?).with(:rollback_transaction_records).and_return(false)
+            connection.stub(:respond_to?).with(:rollback_transaction_records, true).and_return(false)
             connection.stub(:respond_to?).with(:rollback_transaction).and_return(false)
             connection.stub(:rollback_db_transaction)
 
@@ -112,7 +112,7 @@ module DatabaseCleaner
 
           it "should decrement connection via ActiveRecord::Base if connection won't" do
             connection.should_receive(:open_transactions).and_return(1)
-            connection.stub(:respond_to?).with(:rollback_transaction_records).and_return(false)
+            connection.stub(:respond_to?).with(:rollback_transaction_records, true).and_return(false)
             connection.stub(:respond_to?).with(:rollback_transaction).and_return(true)
             connection.stub(:rollback_transaction)