Improve query to avoid c_quiz table lock - refs BT#7268
Updated general style and learning paths - refs BT#7154
Fix issues with simplification of LP view - refs BT#7154
Merge branch '1.9.x' of github.com:aragonc/chamilo-lms-icpna into 1.9.x

Conflicts:
	main/css/ICPNA/default.css
	main/css/ICPNA/images/check.png
	main/css/ICPNA/scorm.css
	main/newscorm/learnpath.class.php
	main/newscorm/lp_view.php