Add Travis. Added default rake task to run tests with a single databa…

…se by default

.travis.yml

@@ -0,0 +1,8 @@
+language: ruby
+rvm:
+  - 1.9.3
+  - 1.9.2
+  - 1.8.7
+env:
+  - DB=postgresql
+  - DB=mysql

Rakefile

@@ -1,5 +1,12 @@
 #!/usr/bin/env rake
 require "bundler/gem_tasks"
+require "rspec/core/rake_task"
+
+RSpec::Core::RakeTask.new(:spec) do |t|
+  t.rspec_opts = "--format documentation"
+end
+
+task :default => :spec
 
 task :rspec_all_databases do
   results = {}
@@ -28,8 +35,6 @@ task :rspec_all_databases do
   puts results.inspect
 end
 
-task :default => :rspec_all_databases
-
 task :n, :from, :to do |t, args|
   Dir[File.expand_path("../lib/upsert/**/#{args.from}.*", __FILE__)].each do |path|
     dir = File.dirname(path)