Updating message for activating date in exercises -refs #5880
Merge pull request #6 from chamilo/1.9.x

1.9.x
correcting mistakes -refs #6259
correcting mistakes -refs #6259
Merge pull request #7 from chamilo/1.9.x

1.9.x
Minor - format/cleaning code
Minor - format code
Simple click on vertical bar to hide LP left panel - ref #6645
Minor - format code.
Adding studentview in api_is_coach() see BT#6619
Merge pull request #8 from chamilo/1.9.x

1.9.x
Fixing query
Adding audio recording using RTC see BT#6613
Minor - format code
Merge branch '1.9.x' of github.com:chamilo/chamilo-lms into julio6666
Random questions quizzes in learnpath prerequisites show with max score - ref #6624
Random questions quizzes in learnpath prerequisites - ref #6624
Minor - format code
Visibility works in latest chrome/firefox.
Adding wami support if browser is not chrome. see BT#6613