Improve fonthandling

Fix indentation and pick fonts not font directory.
Make edges produced by wpc_tt hard

Fixes normals and subdivision problems on objects created by
wpc_ai.erl wpc_ps.erl wpc_svg_path.erl wpc_tt.erl

If user do not want the hard edges it is easy to select and convert
them to soft and bevel or whatever he wants to do wiuth the edges.