fixed bugs in gmm.py\n 1. scipy.cluster.vq.kmeans has some problems.
2. used Pycluster instead
creation of gmm object with different initializations tested.
small changes to test-gmm.py
paths changed.
changed __init__.py
handled nan, -inf, inf output values
changed __init__.py, moved gmm out of utils
moved gmm from utils to here.. provided implementation for gmm, em
changed test-examples.py to test gmm
removed sonus/utils/gmm
Merge pull request #3 from BhuvanAnand/gmm-em

Gmm em