[Xon] Daily Statistics 2.3.0

Require StandardLib v1.20.0+
XF2.3 support
Fix "latest users" sort filter would drop the time-limit

• Require php 7.2+
• Require StandardLib v1.18.0+
• Fix pagination of "latest members" list in admincp
• Add "Add search link in dashboard" option (default: enabled) and "Add search link for forum statistics widget" option (default: disabled)
  • Requires the "Can search" permission
  • "Latest members" links to the admincp page, which requires the admincp "Manage users" permission