Accessability2

changed the lang translation, as well as putting section tags around the user map to tab across it, and changed the alt text for "Goals.php." to distinguish between "Display a table with Goals metrics" and "Display a table with visitor enganement metrics

The query log is momentarily disabled when the database log handler inserts in database

Added h3 tags to widget headers

Moved scheduled tasks classes to Scheduler component

Added missing variables.less file

Template variable

fix date to load by default does not always work

add link to changelog in email notification if update is a stable update

Fixed font error while generating pfd report

Changed the Email report to look more consistent with the piwik UI.