1.6.10 - A lot of stuff fixed

• Major: Plugins now require at least Java 8!
• 1.10 Support (World Resourcepacks change, Bungee already supported it)
• Add ability to use all log levels in debug config variable, OFF completely disables debug logging
• Make hashes supported under Bukkit (World Resourcepacks change)
• Fix /usepack resending the same pack the user already had
• Automatically generate resource pack file hashes
• Add generatehashes sub command to generate the hashes manually
• Add config option to disable automatic hash generation on startup (autogeneratehashes)
• Fix packs with the same hash/url causing issues (-> you can't use the same hash/url anymore)
• Fix an error when calculating which pack the user should have
• Don't call PackSendEvent if we don't want to set the pack when the user already has it
• Fix useauthme config option not being changeable via reload (World Resourcepacks change)
• Fix some issues with how a user's pack is tracked when using the config reload