enroll a course
added another error option
commit only 2 files
commit only 2 files
commit only 2 files
return json
checknet
fixed conflict
kanw commit gia na parw ta pull
kanw commit gia na parw ta pull
Merge pull request #34 from papadakisemmanouel/master

 POST /enrolled_courses/:cid #4
teleiwsame!
Merge pull request #44 from papadakisemmanouel/master

teleiwsame!
Merge branch 'master' of github.com:maellak/openeclass into ckaltsidis-master

Conflicts:
	modules/rest/index.php