Change REL_COURSE PATH by WEB_COURSE_PATH when it convert a mp3 url to absolute and change the first regex -refs #6817
REVERT WEB_COURSE_PATH to REL_COURSE_PATH. Add a strpos() to verify if the url contents WEB_COURSE_PATH-refs #6817
Change regex to other line code
Delete if(strpos()) from previous commit
Merge pull request #185 from danbarretodev/6817

Fix bug preventing the translation of multimedia (mp3, between others) in embedded code URLs in LearningPath - refs #6817