[0.9.0] Rocket upgrades need alien packs from start

[Phantasm]

It seems that first and second upgrade for rocket damage and shooting speed should use t3 science packs instead of alien ones. First uses 200 each and second 250 each, but third suddenly uses only 100 each (fourth 150 each and so on). But instead of first two being with t1-t3 packs, it uses t1-t2 + alien. While third and after use t1-t3 + alien.

[syneris]

Rocket upgrades have used alien packs but not blues for many many versions. This is not a bug, but perhaps a balancing issue. If blue packs get moved to somewhere more relevant now, it could make more sense to not require them. I personally like being able to give my blue factories a chance to rest/catchup while still researching.