SETH ONYANGO, BIRD NEWSROOM KENYA signs an investment deal that will see Nairobi compete to become the financial hub for Africa; Africa’s vaccine production gets yet another shot in the arm, this time from the IFC; Madagascar is to open the world's first 3D-printed school. All in "News Africa Should Know About". Daily, from the bird Newsroom (Nest). Kenya deal with the UK aims to turn Nairobi into Africa’s financial hub Kenya and the United Kingdom were to sign a deal on Tuesday, July 27, that would shore up investment in Nairobi and turn the East African state’s capital into…