Author: Juan Leyva
MDL-65978 blog: New WS core_blog_add_entry
http://git.moodle.org/gw?p=moodle.git;a=commit;h=5a679bffd25655768f5beb1e18d294122ee4ec02
http://github.com/moodle/moodle/commit/5a679bffd25655768f5beb1e18d294122ee4ec02
+ 4.4 en [cannoteditentryorblog,core_blog]