Fix bug, report filter LP by session_id -refs BT#8224
Merge
Merge
Merge branch 'DeEvo-8232-d' into 1.9.x
Updating reports see BT#8232
Add function to get exercises score by tag -refs BT#8232
Minor - fixing PHP notice.
Special reports see #8232
Fixing query, fixing php warning
Adding stats icon.
Merge pull request #35 from DeEvo/8224

Fix bug -refs BT#8224
Merge branch '1.9.x' into 8232

Conflicts:
	main/inc/ajax/model.ajax.php
	main/inc/lib/sessionmanager.lib.php
	main/inc/lib/tracking.lib.php
	main/mySpace/index.php
	main/mySpace/myspace.lib.php
Merge branch '8232' into 8232-d

Conflicts:
	main/inc/lib/sessionmanager.lib.php
Merge branch '1.9.x' into 8232

Conflicts:
	main/inc/ajax/model.ajax.php
	main/inc/lib/sessionmanager.lib.php
	main/inc/lib/tracking.lib.php
	main/mySpace/index.php
	main/mySpace/myspace.lib.php
Merge branch '8232-d' into 8232
Merge branch '8232' of github.com:DeEvo/chamilo-lms-utp into 8232

Conflicts:
	main/inc/ajax/model.ajax.php
	main/inc/lib/course.lib.php
	main/inc/lib/sessionmanager.lib.php
	main/inc/lib/tracking.lib.php
	main/mySpace/myspace.lib.php