Drop Ruby<2 support

.travis.yml

@@ -1,18 +1,10 @@
 matrix:
   include:
-    - rvm: 1.8.7
-      gemfile: gemfiles/Gemfile.1.9.2-
-    - rvm: 1.9.2
-      gemfile: gemfiles/Gemfile.1.9.2-
-    - rvm: 1.9.3
-      gemfile: gemfiles/Gemfile.1.9.3+
     - rvm: 2.0.0
       gemfile: gemfiles/Gemfile.1.9.3+
     - rvm: 2.3.0
       gemfile: gemfiles/Gemfile.1.9.3+
       env: COVERAGE=true
-    - rvm: ree
-      gemfile: gemfiles/Gemfile.1.9.2-
     - rvm: jruby
       gemfile: gemfiles/Gemfile.1.9.3+
 before_install:

fog-xml.gemspec

@@ -22,22 +22,13 @@ Gem::Specification.new do |spec|
   spec.test_files    = spec.files.grep(/^(test|spec|features)\//)
   spec.require_paths = %w(lib)
 
+  spec.required_ruby_version = '>= 2.0.0'
+
   spec.add_dependency "fog-core"
-  case RUBY_VERSION
-  when /^(1\.8.*|1\.9\.[012])$/
-    spec.add_dependency "nokogiri", ">= 1.5.11", "< 1.6.2"
-    spec.add_development_dependency "rake", "< 11.0.0"
-  when /^(1\.9\.([^012]|\d.+)|2\.0.*)$/
-    spec.add_dependency "nokogiri", ">= 1.5.11", "< 1.7.0"
-    spec.add_development_dependency "rake"
-  else
-    spec.add_dependency "nokogiri", ">= 1.5.11", "< 2.0.0"
-    spec.add_development_dependency "rake"
-  end
+  spec.add_dependency "nokogiri", ">= 1.5.11", "< 1.7.0" #pinned for 2.0 support
+  spec.add_development_dependency "rake"
   spec.add_development_dependency "minitest"
   spec.add_development_dependency "turn"
   spec.add_development_dependency "pry"
-  spec.add_development_dependency "coveralls" if RUBY_VERSION.to_f >= 1.9
-  spec.add_development_dependency "term-ansicolor", "< 1.4.0" if RUBY_VERSION.start_with? "1.9."
-  spec.add_development_dependency "tins", "< 1.7.0" if RUBY_VERSION.start_with? "1.9."
+  spec.add_development_dependency "coveralls"
 end