v5.1.5

• Support for the new plugin: E-cash payment plugin
• Fixes for captive portal theme resetting itself
• Fixes for machine static IP not working
• Fixes for RTLink error ocurring on some machines
• Bandwidth limiter enhancements
• Wifi devices select all now selects all pages, bulk update will now effect on all the pages
• Fixes captive portal with domain set inaccessible to devices with custom dns server
• Device identification enhancements: mac syncing & passcode enhancements