Diagram generation working. Also fixed symlinks that weren't relative.

quad/sw/modular_quad_pid/gen_diagram/.gitignore

quad/sw/modular_quad_pid/gen_diagram/Makefile

quad/sw/modular_quad_pid/gen_diagram/gen_diagram

quad/sw/modular_quad_pid/gen_diagram/generate.c

quad/sw/modular_quad_pid/gen_diagram/local_PID.h

quad/sw/modular_quad_pid/gen_diagram/network.dot

quad/sw/modular_quad_pid/gen_diagram/network.png

quad/sw/modular_quad_pid/src/computation_graph.c

quad/sw/modular_quad_pid/src/computation_graph.h

quad/sw/modular_quad_pid/src/control_algorithm.c

quad/sw/modular_quad_pid/src/graph_blocks/node_constant.c

quad/sw/modular_quad_pid/src/graph_blocks/node_constant.h