Initial release.

• Craftable vanilla light block (8 glass panes + torch by default, fully configurable)
• Right-click a placed light with any block in hand to take it back (drop mode: ground / inventory / destroy)
• Guards against blocks, lava and powder snow buckets and falling blocks overwriting placed lights
• Land protection plugins are consulted through BlockBreakEvent
• /unseenlight reload | give | show, permissions default to everyone
• Anonymous usage stats via bStats (opt-out in plugins/bStats/config.yml)