Remove Rails 3.x, Ruby 1.9.2, Ruby 1.9.3

Ruby 1.9.3 will be end-of-lifed on February 23, 2015. We might as well
remove support for it now.

.travis.yml

@@ -8,55 +8,18 @@ branches:
     - gh-pages
 
 rvm:
-  - 1.9.2
-  - 1.9.3
+  - 2.0.0
+  - 2.1.4
+  - rbx-19mode
+  - jruby-19mode
 
 gemfile:
-  - gemfiles/3.0.gemfile
-  - gemfiles/3.1.gemfile
-  - gemfiles/3.2.gemfile
+  - gemfiles/4.0.0.gemfile
+  - gemfiles/4.0.1.gemfile
+  - gemfiles/4.1.gemfile
+  - gemfiles/4.2.gemfile
 
 matrix:
   allow_failures:
     - rvm: rbx-19mode
     - rvm: jruby-19mode
-  include:
-    - rvm: 1.9.2
-      gemfile: gemfiles/3.1_1.9.2.gemfile
-    - rvm: 1.9.2
-      gemfile: gemfiles/3.2_1.9.2.gemfile
-    - rvm: 1.9.3
-      gemfile: gemfiles/4.0.0.gemfile
-    - rvm: 1.9.3
-      gemfile: gemfiles/4.0.1.gemfile
-    - rvm: 1.9.3
-      gemfile: gemfiles/4.1.gemfile
-    - rvm: 2.0.0
-      gemfile: gemfiles/3.2.gemfile
-    - rvm: 2.0.0
-      gemfile: gemfiles/4.0.0.gemfile
-    - rvm: 2.0.0
-      gemfile: gemfiles/4.0.1.gemfile
-    - rvm: 2.0.0
-      gemfile: gemfiles/4.1.gemfile
-    - rvm: 2.0.0
-      gemfile: gemfiles/4.2.gemfile
-    - rvm: 2.1.4
-      gemfile: gemfiles/3.2.gemfile
-    - rvm: 2.1.4
-      gemfile: gemfiles/4.0.0.gemfile
-    - rvm: 2.1.4
-      gemfile: gemfiles/4.0.1.gemfile
-    - rvm: 2.1.4
-      gemfile: gemfiles/4.1.gemfile
-    - rvm: 2.1.4
-      gemfile: gemfiles/4.2.gemfile
-    - rvm: rbx-19mode
-      gemfile: gemfiles/3.2.gemfile
-    - rvm: jruby-19mode
-      gemfile: gemfiles/3.2.gemfile
-  exclude:
-    - rvm: 1.9.2
-      gemfile: gemfiles/3.1.gemfile
-    - rvm: 1.9.2
-      gemfile: gemfiles/3.2.gemfile

Appraisals

@@ -16,37 +16,6 @@ spring = proc do
   gem 'spring-commands-rspec'
 end
 
-rails_3 = proc do
-  instance_eval(&shared_dependencies)
-  gem 'strong_parameters'
-  gem 'minitest', '~> 4.0'
-  gem 'minitest-reporters'
-end
-
-rails_3_1 = proc do
-  instance_eval(&rails_3)
-  gem 'rails', '~> 3.1.8'
-  gem 'bcrypt-ruby', '~> 3.0.0'
-  gem 'jquery-rails'
-  gem 'sass-rails', '~> 3.1.5'
-  gem 'coffee-rails', '~> 3.1.1'
-  gem 'uglifier', '>= 1.0.3'
-  gem 'minitest', '~> 4.0'
-  gem 'minitest-reporters'
-end
-
-rails_3_2 = proc do
-  instance_eval(&rails_3)
-  gem 'rails', '~> 3.2.13'
-  gem 'bcrypt-ruby', '~> 3.0.0'
-  gem 'jquery-rails'
-  gem 'sass-rails', '~> 3.2.3'
-  gem 'coffee-rails', '~> 3.2.1'
-  gem 'uglifier', '>= 1.0.3'
-  gem 'minitest', '~> 4.0'
-  gem 'minitest-reporters'
-end
-
 rails_4 = proc do
   instance_eval(&shared_dependencies)
   instance_eval(&spring)
@@ -63,73 +32,41 @@ end
 
 #---
 
-if Gem::Requirement.new('< 2').satisfied_by?(ruby_version)
-  appraise '3.0' do
-    instance_eval(&rails_3)
-    gem 'rails', '~> 3.0.17'
-  end
-
-  if Gem::Requirement.new('= 1.9.2').satisfied_by?(ruby_version)
-    appraise '3.1-1.9.2' do
-      instance_eval(&rails_3_1)
-      gem 'turn', '0.8.2'
-    end
-  else
-    appraise '3.1' do
-      instance_eval(&rails_3_1)
-      gem 'turn', '~> 0.8.3'
-    end
-  end
+appraise '4.0.0' do
+  instance_eval(&rails_4)
+  gem 'rails', '4.0.0'
+  gem 'jbuilder', '~> 1.2'
+  gem 'sass-rails', '~> 4.0.0'
+  gem 'bcrypt-ruby', '~> 3.0.0'
 end
 
-if Gem::Requirement.new('= 1.9.2').satisfied_by?(ruby_version)
-  appraise '3.2-1.9.2' do
-    instance_eval(&rails_3_2)
-  end
-else
-  appraise '3.2' do
-    instance_eval(&rails_3_2)
-    instance_eval(&spring)
-  end
+appraise '4.0.1' do
+  instance_eval(&rails_4)
+  gem 'rails', '4.0.1'
+  gem 'jbuilder', '~> 1.2'
+  gem 'sass-rails', '~> 4.0.0'
+  gem 'bcrypt-ruby', '~> 3.1.2'
 end
 
-if Gem::Requirement.new('> 1.9.2').satisfied_by?(ruby_version)
-  appraise '4.0.0' do
-    instance_eval(&rails_4)
-    gem 'rails', '4.0.0'
-    gem 'jbuilder', '~> 1.2'
-    gem 'sass-rails', '~> 4.0.0'
-    gem 'bcrypt-ruby', '~> 3.0.0'
-  end
-
-  appraise '4.0.1' do
-    instance_eval(&rails_4)
-    gem 'rails', '4.0.1'
-    gem 'jbuilder', '~> 1.2'
-    gem 'sass-rails', '~> 4.0.0'
-    gem 'bcrypt-ruby', '~> 3.1.2'
-  end
-
-  appraise '4.1' do
-    instance_eval(&rails_4)
-    gem 'rails', '~> 4.1.0'
-    gem 'jbuilder', '~> 2.0'
-    gem 'sass-rails', '~> 4.0.3'
-    gem 'sdoc', '~> 0.4.0'
-    gem 'bcrypt', '~> 3.1.7'
-    gem 'protected_attributes', "~> 1.0.6"
-    gem 'spring'
-  end
+appraise '4.1' do
+  instance_eval(&rails_4)
+  gem 'rails', '~> 4.1.0'
+  gem 'jbuilder', '~> 2.0'
+  gem 'sass-rails', '~> 4.0.3'
+  gem 'sdoc', '~> 0.4.0'
+  gem 'bcrypt', '~> 3.1.7'
+  gem 'protected_attributes', "~> 1.0.6"
+  gem 'spring'
+end
 
-  appraise '4.2' do
-    instance_eval(&rails_4)
-    gem 'rails', '~> 4.2.0'
-    gem 'sass-rails', '~> 5.0'
-    gem 'coffee-rails', '~> 4.1.0'
-    gem 'jbuilder', '~> 2.0'
-    gem 'sdoc', '~> 0.4.0'
-    gem 'bcrypt', '~> 3.1.7'
-    gem 'spring'
-    gem 'protected_attributes', "~> 1.0.6"
-  end
+appraise '4.2' do
+  instance_eval(&rails_4)
+  gem 'rails', '~> 4.2.0'
+  gem 'sass-rails', '~> 5.0'
+  gem 'coffee-rails', '~> 4.1.0'
+  gem 'jbuilder', '~> 2.0'
+  gem 'sdoc', '~> 0.4.0'
+  gem 'bcrypt', '~> 3.1.7'
+  gem 'spring'
+  gem 'protected_attributes', "~> 1.0.6"
 end