Minor - adding cidReq
Fixing import/export see BT#8327 first try.
Minor: SQL performance -refs BT#8332
imagen(prerequisitos) status closed -ref BT#8332
Update coursecopy files to restore correctly learnpaths and sequence -refs BT#8332
Merge branch 'stage' into 8332

Conflicts:
	main/coursecopy/classes/CourseBuilder.class.php
	main/coursecopy/classes/CourseRestorer.class.php
add image white and black Restore Learnig path
funcion para agregar imagen blanco y negro (importar learningpath)-ref BT#8332
Merge branch '8332' of github.com:danbarretodev/chamilo-lms-icpna into 8332_A
uncomment to icpna portal
update gitignore
Merge branch '8332_A' into 8315
importante : lectura XML type = 1,2,(6) hotspot
save picture in table.c_quiz_question