Fix Gunboat Turrets

[Tenacity]

Cerberus fires two projectiles, so technically it does do 6k per shot. The listed 3k is only for one of the dual projectiles.

I do agree that no primaries should have spread, that's one of the things that makes nomad hybrid gunboat turrets so much more powerful than any others (the ones the wild/scorpion gunboats use) - they do a little less dps, but have no spread, so they're hyper accurate against snubs.

Other than that, I think the greatest shortcoming of gunboats is versatility right now. They lack a lot of options compared to larger (or smaller) ships:

-No gunboat has more than 2 heavy turret hardpoints
-Gunboat pulses are heavy turrets rather than light turrets like they are on cruisers, battlecruisers, or battleships. This combined with the above point means you basically have to choose an anti-shield vs anti-hull loadout rather than an anti-cap vs anti-snub loadout. This severely limits gunboat effectiveness and versatility compared to other ship classes; but it stems pretty much entirely from the fact that nobody on the dev/balance team seems to want gunboats to ever be capable of fighting other caps, while at the same time not allowing them to be enough of a deterrent against fighters to be effective anti-snub platforms.
-Gunboats have the least variety of turret types of any capital class: they have fewer missile types, they have no mortars, they have absolutely no sci data / codename turrets, they're pretty much limited to solaris, primary, razor, pulse, and 3 underpowered missile turrets.
-The gunboat shield split, which only really exists for freighters and gunboats now (no other caps really have to make this choice) effectively ruins the entire ship class when it comes to shield 'choice'. There is no choice: a shield with 16k drain per second when the heaviest gunboat only has 60k regen means you're losing nearly 30% of your power core just for a shield that only has 50k more capacity. It's an asinine tradeoff. No decent gunboat pilot uses anything but the light (100k / 10k drain) shield now, whereas this dilemma doesnt exist for cruisers, battlecruisers, or really even battleships (yes there are dread shields, but its not the same kind of balance issue).

I'd like to see these changes made:

1. Make gunboat pulses light/normal turrets, rather than heavy. This keeps consistency across all cap classes.
2. Change gunboat type balance to incorporate different numbers of heavy turrets. Light gunboats/gunships should have the current 4 light / 2 heavy turret setup. Medium gunboats should have a 4 light / 3 heavy setup. Heavy gunboats should have a 4 light / 4 heavy setup.
3. Add at least a couple additional heavy turret options to differentiate gunboat roles:
--"Mini Mortar", to go inline with the light mortar / battlecruiser mortar / mortar / heavy mortar series, designed as a long range anti-cap weapon.
--Some kind of 'shotgun' anti-snub turret that takes a heavy slot, fires multiple projectiles with each pull of the trigger, and spreads, much like other shotgun/scattergun weapon types in the game.
--Something akin to the hellfire rocket system used by bombers, but upscaled for gunboat use; ideally anti-cap, but high risk/high reward with a large spread and short range.

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