I actually think Uncharted 4 and The Order will release in 2014, simply because there are so many Sony game devs that 2015 will have enough games.
AAA devs due for a game
Polyphony
About to release GT6 for PS3, rumored to have shortened dev times and can reuse car models for GT7 for PS4
Naughty Dog (Last of Us Team)
Due to release Last of Us DLC
Sucker Punch
Due to release inFamous Second Son
San Diego
Due to release MLB
Evolution
Due to release Drive Club
Ready at Dawn
due to release The Order
Bend
Last worked on Uncharted Golden Abyss, making a PS4 game
Guerilla Games Team 2
Second team making a new IP, said to have fantasy setting
Santa Monica Stig's Team
Releasing new IP, In dev since the release of God of War 3
Naughty Dog (Uncharted 3 Team)
Releasing Uncharted 4
Media Molecule
Making new IP, havent released a game since LittleBigPlanet 2
Santa Monica Team 2
Finished developing GoW Ascension
Quantic Dream
Just released Beyond, contracted to make another game, which is in dev for PS4
Japan
Released Knack, releasing Last Guardian (lol), Gravity Rush 2, potential Demon's Souls 2, and some Vita games I forgot about
Guerilla Games (Team 1)
Just released Killzone Shadow Fall, will create DLC
Other teams
London - released PlayRoom
Zindagi - Move devs, creators of Sports Champions series
SOE - developing Planetside 2 PS4 port
Guerilla Cambridge - just released Killzone Mercenary
Giant Sparrow - contracted to make another Sony game after The Unfinished Swan
Clap Hanz - creatos of Hot Shots games
SuperMassive Games - making Until Dawna and PS4 project
Wish Studios - making a Sony published game
Sanzaru - rumored to be making another Sly
Tarsier Studios - making game for PS4
Then you have announced games - Rime, Shadow of the Beast, CounterSpy, Hohokum, Helldivers, Everybody's Gone to the Rapture