2.0-RC-6

• New type Profiler to measure simulation time
• Better integration with ZeroBrane:
  • Simpler configuration of ZeroBrane
  • Tutorials with source code within ZeroBrane
  • Coloured simulation output (errors and warnings)
• New functions Layer:poligonize() and Utils:equals()
• New strategy "spread" for Environment:createPlacement()
• Loading the same CellularSpace several times is now faster
• Default value for Event:start is now Event:period (no backward compatibility)
• 11 bugs fixed (one related to random numbers with no backward compatibility)