Added configurable bow buff

HUMBUG CONFIGURABLE BOW BUFF HERE

I'm not actually sure if arrow.spigot().getDamage() is a thing. Hopefully it is. Otherwise I'd have to calculate prot/enchantments/resistance/etc... Which is doable but I'd rather just call a method....
Config.java needed no changes as the attributes take care of the setting
storage.

On Tue, Nov 4, 2014 at 9:56 PM, minicl55 <notifications@github.com> wrote:

> In src/main/java/com/untamedears/humbug/Config.java:
>
> > @@ -26,6 +26,7 @@
> >
> >    // ================================================
> >    // Configuration defaults
> > +  private static final boolean bow_buff = 3;a
>
> Should be changed to double and trailing a needs to be removed
>
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> <https://github.com/erocs/Humbug/pull/71/files#r19856511>.
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