configured Travis and Appraisal to make sure we're testing with both aws-sdk v1 and aws-sdk v2

.travis.yml

@@ -11,6 +11,9 @@ gemfile:
   - gemfiles/3.2.gemfile
   - gemfiles/4.1.gemfile
   - gemfiles/4.2.gemfile
+  - gemfiles/3.2.awsv1.gemfile
+  - gemfiles/4.1.awsv1.gemfile
+  - gemfiles/4.2.awsv1.gemfile
 
 matrix:
   fast_finish: true

Appraisals

 appraise "3.2" do
   gem "rails", "~> 3.2.0"
+  gem "aws-sdk", "~> 2.0"
 end
 
 appraise "4.1" do
   gem "rails", "~> 4.1.0"
+  gem "aws-sdk", "~> 2.0"
 end
 
 appraise "4.2" do
   gem "rails", "~> 4.2.0"
+  gem "aws-sdk", "~> 2.0"
+end
+
+appraise "3.2.awsv1" do
+  gem "rails", "~> 3.2.0"
+  gem "aws-sdk", "~> 1.5"
+end
+
+appraise "4.1.awsv1" do
+  gem "rails", "~> 4.1.0"
+  gem "aws-sdk", "~> 1.5"
+end
+
+appraise "4.2.awsv1" do
+  gem "rails", "~> 4.2.0"
+  gem "aws-sdk", "~> 1.5"
 end

gemfiles/3.2.awsv1.gemfile

+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "sqlite3", "~> 1.3.8", :platforms => :ruby
+gem "jruby-openssl", :platforms => :jruby
+gem "activerecord-jdbcsqlite3-adapter", :platforms => :jruby
+gem "rubysl", :platforms => :rbx
+gem "racc", :platforms => :rbx
+gem "pry"
+gem "rails", "~> 3.2.0"
+gem "aws-sdk", "~> 1.5"
+
+group :development, :test do
+  gem "mime-types", "~> 1.16"
+  gem "builder"
+  gem "rubocop", :require => false
+end
+
+gemspec :path => "../"

gemfiles/3.2.gemfile

@@ -9,6 +9,7 @@ gem "rubysl", :platforms => :rbx
 gem "racc", :platforms => :rbx
 gem "pry"
 gem "rails", "~> 3.2.0"
+gem "aws-sdk", "~> 2.0"
 
 group :development, :test do
   gem "mime-types", "~> 1.16"

gemfiles/4.1.awsv1.gemfile

+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "sqlite3", "~> 1.3.8", :platforms => :ruby
+gem "jruby-openssl", :platforms => :jruby
+gem "activerecord-jdbcsqlite3-adapter", :platforms => :jruby
+gem "rubysl", :platforms => :rbx
+gem "racc", :platforms => :rbx
+gem "pry"
+gem "rails", "~> 4.1.0"
+gem "aws-sdk", "~> 1.5"
+
+group :development, :test do
+  gem "mime-types", "~> 1.16"
+  gem "builder"
+  gem "rubocop", :require => false
+end
+
+gemspec :path => "../"

gemfiles/4.1.gemfile

@@ -9,6 +9,7 @@ gem "rubysl", :platforms => :rbx
 gem "racc", :platforms => :rbx
 gem "pry"
 gem "rails", "~> 4.1.0"
+gem "aws-sdk", "~> 2.0"
 
 group :development, :test do
   gem "mime-types", "~> 1.16"

gemfiles/4.2.awsv1.gemfile

+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "sqlite3", "~> 1.3.8", :platforms => :ruby
+gem "jruby-openssl", :platforms => :jruby
+gem "activerecord-jdbcsqlite3-adapter", :platforms => :jruby
+gem "rubysl", :platforms => :rbx
+gem "racc", :platforms => :rbx
+gem "pry"
+gem "rails", "~> 4.2.0"
+gem "aws-sdk", "~> 1.5"
+
+group :development, :test do
+  gem "mime-types", "~> 1.16"
+  gem "builder"
+  gem "rubocop", :require => false
+end
+
+gemspec :path => "../"

gemfiles/4.2.gemfile

@@ -9,6 +9,7 @@ gem "rubysl", :platforms => :rbx
 gem "racc", :platforms => :rbx
 gem "pry"
 gem "rails", "~> 4.2.0"
+gem "aws-sdk", "~> 2.0"
 
 group :development, :test do
   gem "mime-types", "~> 1.16"