Added 201, 202, 405, 409, 429 and 501 http status codes in code_header() function, which may be useful for REST API.
RESTful API in System and components.
TinyMCE updated to 4.0.3.
Small fixes.

System version 0.311
modules:
Blogs 0.053
Comments 0.014
Cron 0.006
Feedback 0.004
HybridAuth 2.1.1-cs24
OAuth2 0.017
Photo_gallery 0.005
Plupload 1.5.7-cs7
Static_pages 0.030
plugins:
Admin_default_theme 0.004
Fotorama 4.2.1-cs2
SimpleImage 2.3-cs1
TinyMCE 4.0.3-cs1