Customizable License Plate Frame

#Customizable License Plate Frame
##Substantial REMIX of https://www.thingiverse.com/thing:52757
+ Now uses the text() module
+ Extended with __*text_on_OpenSCAD*__ (https://github.com/brodykenrick/text_on_OpenSCAD ) by Brody Kenrick.
+ REQUIRES OpenSCAD. **Does not work with Thingiverse::Customizer**

## __Improvements__:
+ This allows use of any font installed at any installed size.
+ Added ability to have recessed or raised text at any desired depth or height.
+ Horizontal text across the top and bottom as well as vertical text along the sides.
+ Added ability to add OpenSCAD compatible symbols near the screw holes.
+ Added dovetails/tenons and mortises when printing in split mode so that plate holds together without glue or while glueing.
+ Provided offset dialogs to help adjust centering of text to allow better center and minimally split letters
+ Added raised text only (no frame) for dual filament printing

## __Requirements__:
+ OpenSCAD library: __*text_on_OpenS