Server updates

Kiosk:

• Add new option to have a warning show on the kiosk for "one card per person"
• General cleanup on screens affected by new timeblock options
• Clear notes and bans when recycling cards in the kiosk.
  • Note: Recycling is a beta feature, and it is recommended not to use it just yet. This is activated if you take a card that was previously used and load it back into a kiosk dispenser, it'll wipe the previous data on the card and allow it to be re-used.

Cashier page:

• Added tools on cashier page to add timeblocks to a card and adjust minutes remaining on existing card_timeblocks.

Timeblock Definitions:

• Add new "active only certain weekdays" feature.

Metrics Report:

• Update to show multiple categories and now shows time plays.

Specials List:

• Add filtering, and default sort is by start time descending.

Node Screens:

• Minor fixes for font re-uploading and images.

User Edit:

• Add extra text to password textboxes: "leave blank to keep current password".
• Show notes and status fields on adding new users too.
• Improve permissions, notes editing, and more.
• Fix incorrect validation error if "notes" not present.