modify sort() and "tempo"
add Music.txt. It's a output file.
add python script gernerator, also applying tempo in python

gernerate python file "generatewave.py"
Merge branch 'master' of https://github.com/CorcovadoMing/EvolutionaryComposition

Conflicts:
	EvoComposition/GeneticAlgorithm.cpp
	EvoComposition/main.cpp
Silent warning
delete Music.txt
rebase with master