Updated readme.md

System version 0.271
modules:
Blogs 0.044
Comments 0.006
Cron 0.004
Feedback 0.001
HybridAuth 2.1.1-cs19
OAuth2 0.013
Static_pages 0.025
plugins:
Admin_default_theme 0.001
TinyMCE 4.0.1-cs1