Build 147.1 (Beta)

Added tooltips for additional information about difficulty modifiers
Added experimental rule for RTS AI in Serpulo (likely to be buggy)
Added logging for OpenGL errors
Reduced research cost for various T1 unit factories and units on Serpulo
Fixed various minor map issues
Fixed compatibility with Java 8 / 32-bit version not launching
Fixed various crashes
Fixed player being able to rebuild locked derelict blocks
Fixed player names in minimap scaling with zoom
Fixed local games not being discoverable