Fix localized slug creation when using history and when the locale changes after document is created
Merge pull request #111 from ByScripts/master

Fix localized slug creation when using history and when the locale changes after document is created
Added credits for bugfix to byscripts
Merge pull request #112 from astjohn/master

Improved specs for reserved words
Added credits for improved specs to astjohn
Tests for Mongoid Paranoia support
Merge branch 'master' of https://github.com/digitalplaywright/mongoid-slug

Conflicts:
	spec/mongoid/slug_spec.rb
Give simi credit for Mongoid Paranoia specs
Test Mongoid 4 with mongoid-paranoia.
Merge pull request #113 from simi/travis-mongoid4

Test Mongoid 4 with mongoid-paranoia.
fix for Ruby 2.0.0
bump version
also test with ruby 2.0
Document localized slugs
When class has STI, scope around subclass when polymorphic option is true.
Update the readme to document STI scoping behavior.
When class has STI, scope around subclass when polymorphic option is true.
Changed option :polymorphic => true to :scoped_by => :subclass
Move slug creation to before validation callback to be able to write custom validators in Active Model style.
Merge pull request #118 from simi/validation_callback

WIP - Change build_slug callback to before validation.