List the sessions and courses for sessions catalog - refs #7275
Add filter by date in sessions catalog - refs #7275
Set the current date for list - refs #7275
Remove unnecessary param - refs #7275
Modify the SQL sentence for get the list of sessions - refs #7275
Minor - Code conventions - refs #7275
Add subscribe button - refs #7275
Display the form to send email for subscription to session- refs #7275
Modify the email content to subscription- refs #7275
Modify the email content to subscription- refs #7275
Create library for courses and sessions catalog - refs #7275
Fix the courses and sessions list - #7275
Solves conflict - refs #7275
Change to Twig template - refs #7275
Modify the 'search courses' form and list of courses in session - refs #7275
Validate whether send email using the email editor online - refs #7275
Minor - Code conventions - refs #7275
Change validation for int value - refs #7275
Print properly the lang variables - refs #7275
Change language variables for send message - refs #7275