Merge pull request #7 from jswiergo/dynamic-structs

Resizable arrays for dynamic operations on centroids
Renamed node->childNumber to node->nChildren.
To avoid conceptual naming conflict with tree mining and to be consistent
with other count variables.
renamed nLambda to lambdaCoeff because it's not an integer
tweak test output
added comments to belief_transform.h
comments
Merge remote-tracking branch 'jswiergo/dynamic-structs' into overlapping_regions

Conflicts:
	Destin/DavisDestin/src/util.c
	Destin/DavisDestin/test/test.c
added DestinConfig struct
Merged lambdaCoeff, d->nChildren