Add technology until 1964

If you use this mod you can not acquire Achievements.

Update Notes
Technologies unlocked through Special Projects are now visible in the tech tree for better accessibility.
New technologies added:
Sonobuoy
ASW Short Torpedo
Magnetic Anomaly Detector (MAD)
New-type Helicopter
Shipborne ASW Helicopter
Reduced the appearance rate of female scientists.
Added generic general portraits for Japan, the United States, and Africa.
Changed the uniform color of Japanese scientist Hiroshi Itō to reflect his naval affiliation.