OpenSCAD League Gothic Font Module

A smooth font was necessary for a few future projects I'm working on. A custom dwf file of the lettering could be generated and extruded, but a more generic, reusable method would be preferable.

Below is an alternate method of embedding lettering into an OpenSCAD project. The code is based on the bitmap font module (http://www.thingiverse.com/thing:2054). The fnt_str function parameters map to the 8bit_str module. The block-size parameter will have no effect on the generated size of the l