Fix get link method to replace &amp; by & - refs BT#8849
Minor - format code.
Finish temporary changelog for 1.9.10
Fixing work counter see BT#8958
Minor - format code
Merge branch '1.9.x' of ssh://github.com/chamilo/chamilo-lms into chamilo19
Adding lp reduced report see BT#8902
Minor - format code, adding intval.
Fixing PHP warnings.
Adding progress in report see BT#8900
Adding intval.
Disabling LP extra fields see BT#7975
Minor - fixing PHP warnings, format code.
Minor format code
Adding function getChapterTypes(), showing chapters in reports.

See BT#8902
Minor format code.
Improvements to changelog for 1.9.10
Minor format code.
Fixing platform sender see BT#8960
Fixing default values see BT#8960