Don't run appraisal in travis

Author: soupmatt

Rakefile

@@ -6,9 +6,13 @@ require 'bundler/gem_tasks'
 require 'appraisal'
 
 require 'rspec/core/rake_task'
-desc 'Default: run the specs and features.'
-task :default do
-  system("bundle exec rake -s appraisal spec ;")
-end
-
 RSpec::Core::RakeTask.new
+
+task :default => [:spec]
+
+namespace :spec do
+  desc 'run the specs and features against every gemset.'
+  task :all do
+    system("bundle exec rake -s appraisal spec ;")
+  end
+end