litte changes
Merge branch 'master' of https://github.com/tpsjr7/destin_ted_temp
Writing unit tests; ready to use vector instead of some pointers for potential memory leaks;
Clean up codes and Commit unit tests in test1.cpp;
Put unit tests in CZT_UT and finish testing 'killing centroids';
add UT of uf_absvar
add init for uf_avgAbsDelta and uf_avgSquaredDelta in addCentroid and killCentroid
clean test_Update()
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