added working H3, refactored files into tree, adp and utilities

.ipynb_checkpoints/var-checkpoint.py

Makefile

src/adp/adp.c

src/adp/adp.h

src/common/common.c

src/common/common.h

src/main/main.c

src/tree/heap.h

src/tree/tree.c

src/tree/tree.h