starting skeleton of winged_edge and mesh structures
move some includes into mesh.h along with vertext struct
include globals in mesh.h instead of parser.cpp
build mesh.h with Makefile
fix whitespace
fix members of Mesh class
add clarifying names to Mesh constructor
add const references to vertex and face vectors
add reference to to_vertex_list method
fix type with const references
fix vertex data structure
reiterating graham's removal
start outline of Mesh constructor