release v0.1.1

• gemspec: replaced open-ended chef dependency by ~> 11.4
• Fixed ruby 1.9.2 decryption (uses PKCS#1 for public key format)
• README: added encrypted_attributes cookbook link
• INTERNAL doc: added EncryptedMash class name to the Version0 structure
• Added shields.io badges

release v0.1.0

• Initial release of chef-encrypted-attributes