Add version name for 1.9.8.3
Merge branch '1.9.x' of github.com:chamilo/chamilo-lms into 1.9.x
Merge branch '1.9.x' of github.com:chamilo/chamilo-lms into 1.9.x
update rapid installation documentation - refs BT#8441
update rapid installation documentation Spanish - refs BT#8441