CAS: Updated README and FEATURES docs

FEATURES.md

@@ -5,7 +5,7 @@
   - OAuth 
   - SAML
   - LDAP
-  - CAS
+  - CAS (1.0, 2.0 + attribute sync)
   - Facebook, Github, Google, etc.
 - I18N: More than 30 languages so far
 - File Uploading

README.md

@@ -242,7 +242,7 @@ It is a great solution for communities and companies wanting to privately host t
 - Full text search
 - Live chat / Messaging call center
 - LDAP Authentication
-- CAS 1.0 support for education institutions and hosting providers worldwide
+- CAS 1.0, 2.0 support for education institutions and hosting providers worldwide
 - Support for Okta SSO through SAML v2
 - I18n - Supports 22 Languages
 - Hubot Friendly