Merged with fixed MSE

build.sh

src/ErrorFunction/ErrorFunctions.cpp

src/ErrorFunction/ErrorFunctions.h

src/LearningMethods/GradientDescent.cpp

src/LearningMethods/ParticleSwarm.cpp

src/LearningMethods/ParticleSwarm.h

src/examples/net_test_ode_1.cpp

src/examples/simulator.cpp