Implement functionality to override preexisting reservations; Add jQuery to display override button for managers (and admins) upon conflicts; Add jQuery listener to hide override button if reservation items are changed; Add jQuery listener to change value of override button if reservation items are changed; Add jQuery values and listener to alter 'loading' data-attribute for correct button pressed; Add jQuery listeners to enable cancel button to clear jQuery validation, remove conflict messages and override button; Rename submit button values to 'Re-Submit' after initial Submit; Refactor JavaScript variable names to be human readable; Correct bug (existing label fails to update when changed) and improve UI labels ('equipment_group_per_se.frag.php'); Add missing legend for consumer type of user;