[0.15.2] Storage chest can be researched twice

[FifthRom]

I don't know intentional or not, but storage chest can be researched twice. As far as I am concerned, they are the same. Screenshots: http://imgur.com/BeHG2rl (Showing that I have it researched), http://imgur.com/bmHAgR2 (another research available), http://imgur.com/yLcYsoT (can build storage chest with only one of the researches completed).

[Klonan]

Thanks for the report,

It is intentional that both construction and logistic bot researches unlock the storage chest,
But i will remove it from the trash slots, as it is redundant