Add "is_lams" parameter in the Lesson's table wich indicate that thet lesson will only be displayed inside Lams because has been created for a Lams sequence
Modifications to hide Moodle's headers (and some links to Moodle Course) and also we get a new variable ("uploaded") so when we have edited or done a lesson the Lams' buttons are shown
Modifications to hide Moodle's headers and also we pass a new variable ("uploaded") so when we return to the edit.php page or view.php we can know it has been edited and show the Lams' button.