reduce number of template languages tested on 1.8, most of them do not support it anymore or will drop support soon

Gemfile

@@ -12,7 +12,6 @@ gemspec
 
 gem 'rake'
 gem 'rack-test', '>= 0.5.6'
-gem 'ci_reporter', :group => :ci
 
 # Allows stuff like `tilt=1.2.2 bundle install` or `tilt=master ...`.
 # Used by the CI.
@@ -28,66 +27,48 @@ repos  = {'tilt' => github % "rtomayko/tilt", 'rack' => github % "rack/rack"}
   gem lib, dep
 end
 
-gem 'haml', '>= 3.0'
-gem 'sass' if RUBY_VERSION < "2.0"
-gem 'builder'
-gem 'erubis'
-gem 'slim', '~> 1.0'
-gem 'temple', '!= 0.3.3'
-gem 'coffee-script', '>= 2.0'
-gem 'rdoc', RUBY_VERSION < '1.9' ? '~> 3.12' : '>= 4.0'
-gem 'kramdown'
-gem 'maruku'
-gem 'creole'
-gem 'markaby'
-gem 'radius'
-unless RUBY_ENGINE =~ /jruby|maglev/
-  gem 'rabl'
-  gem 'activesupport', '< 4.0.0' if RUBY_VERSION < '1.9.3'
-end
-gem 'wlang', '>= 2.0.1' unless RUBY_ENGINE =~ /jruby|rbx/
-gem 'therubyracer'      unless RUBY_ENGINE =~ /jruby|rbx/
-gem 'redcarpet'         unless RUBY_ENGINE == 'jruby' || RUBY_VERSION == '1.8.7'
-gem 'bluecloth'         unless RUBY_ENGINE == 'jruby'
-
-if RUBY_ENGINE != 'rbx' or RUBY_VERSION < '1.9'
-  gem 'liquid'
-  gem 'stylus'
-end
-
 if RUBY_ENGINE == 'jruby'
   gem 'nokogiri', '!= 1.5.0'
   gem 'jruby-openssl'
   gem 'trinidad'
-else
-  gem 'yajl-ruby'
-  gem 'nokogiri' if RUBY_VERSION >= '1.9.2'
-  gem 'thin'
 end
 
-if RUBY_ENGINE == "ruby" and RUBY_VERSION > '1.9'
+if RUBY_ENGINE == "ruby" and RUBY_VERSION > '1.9.2'
   gem 'less', '~> 2.0'
-end
-
-if RUBY_ENGINE != 'jruby' or not ENV['TRAVIS']
-  # C extensions
-  gem 'rdiscount' if RUBY_VERSION != '1.9.2'
-  platforms(:ruby_18) do
-    #gem 'redcarpet'
-    gem 'mongrel'
-  end
-  gem 'RedCloth' unless RUBY_ENGINE == "macruby"
+  gem 'therubyracer'
+  gem 'redcarpet'
+  gem 'wlang', '>= 2.0.1'
+  gem 'bluecloth'
+  gem 'rdiscount'
+  gem 'RedCloth'
   gem 'puma'
+  gem 'net-http-server'
+  gem 'yajl-ruby'
+  gem 'nokogiri'
+  gem 'thin'
+  gem 'slim', '~> 1.0'
+  gem 'coffee-script', '>= 2.0'
+  gem 'rdoc'
+  gem 'kramdown'
+  gem 'maruku'
+  gem 'creole'
+  gem 'markaby'
+  gem 'radius'
+  gem 'liquid'
+  gem 'stylus'
+  gem 'rabl'
+  gem 'builder'
+  gem 'erubis'
+  gem 'haml', '>= 3.0'
+  gem 'sass' if RUBY_VERSION < "2.0"
 end
 
-gem 'net-http-server' unless RUBY_VERSION == '1.8.7' || RUBY_ENGINE =~ /jruby|rbx/
+if RUBY_ENGINE == "rbx"
+  gem 'json'
+  gem 'rubysl'
+  gem 'rubysl-test-unit'
+end
 
 platforms :ruby_18, :jruby do
   gem 'json' unless RUBY_VERSION > '1.9' # is there a jruby but 1.8 only selector?
 end
-
-platforms :mri_18 do
-  # bundler platforms are broken
-  next if RUBY_ENGINE != 'ruby' or RUBY_VERSION > "1.8"
-  gem 'rcov'
-end