attempt to add travis

.travis.yml

@@ -0,0 +1,12 @@
+language: ruby
+rvm:
+  - 1.8.7
+  - 1.9.3
+script: "bundle exec rspec spec"
+gemfile:
+  - Gemfile
+env:
+  - DB=sqlite
+  - DB=mysql
+before_script:
+  - "mysql -e 'create database myapp_test;' >/dev/null"

Gemfile

@@ -16,5 +16,5 @@ group :development, :test do
   gem 'jeweler'
   gem 'cutter'
   gem 'rspec'
-  gem 'factory_girl'
+  gem 'factory_girl', '2.6.4'
 end

README.md

@@ -188,7 +188,7 @@ user.has_role?(:blogger) # => false
 
 ### Both strategies
 
-For each of valid role both strategies automatically define scope methods in User models:
+For each of valid role both strategies automatically define scope methods in User model:
 
 ```ruby
 SimpleRoles.config.valid_roles # => [:user, :admin, :editor]