Travis use only development gems.

Gemfile

@@ -4,24 +4,25 @@ gemspec
 
 group :development do
   gem "xcodeproj", :git => "git://github.com/CocoaPods/Xcodeproj.git"
-
   gem "mocha", "~> 0.11.4"
   gem "bacon"
-  gem "kicker", :git => "https://github.com/alloy/kicker.git", :branch => "3.0.0"
   gem "mocha-on-bacon"
   gem "rake"
-  gem "rb-fsevent"
   gem "vcr"
   gem "webmock"
-
-  gem 'yard'
-  gem 'redcarpet'
-  gem 'github-markup'
 end
 
 group :debugging do
+  gem "rb-fsevent"
+  gem "kicker", :git => "https://github.com/alloy/kicker.git", :branch => "3.0.0"
   gem "awesome_print"
   gem "pry"
   gem "letters"
 end
 
+group :documentation do
+  gem 'yard'
+  gem 'redcarpet'
+  gem 'github-markup'
+end
+

Rakefile

@@ -33,7 +33,7 @@ namespace :travis do
   task :install do
     sh "git submodule update --init"
     sh "sudo apt-get install subversion"
-    sh "env CFLAGS='-I#{rvm_ruby_dir}/include' bundle install"
+    sh "env CFLAGS='-I#{rvm_ruby_dir}/include' bundle install --without debugging documentation"
   end
 
   task :setup => [:install_opencflite_debs, :install]