Finish first implementation of searching in k-DTree.

src/main/java/azgracompress/kdtree/KDNode.java

src/main/java/azgracompress/kdtree/KDTree.java

src/main/java/azgracompress/kdtree/TerminalKDNode.java

...va/azgracompress/quantization/vector/VectorQuantizer.java

src/main/java/azgracompress/utilities/Utils.java