move materials-library to examples

doc/docs/Materials.md

@@ -113,7 +113,7 @@ All of the above features that are supported for the electric permittivity $\var
 Materials Library
 -----------------
 
-A materials library containing commonly used metals in optoelectronic devices is available for [Python](https://github.com/stevengj/meep/tree/master/python/materials_library.py) and [Scheme](https://github.com/stevengj/meep/tree/master/libctl/materials-library.scm). The data is based on results published in [A.D. Rakic et al., Applied Optics, Vol. 37, No. 22, pp. 5271-83 (1998)](https://www.osapublishing.org/ao/abstract.cfm?uri=ao-37-22-5271) [[pdf](http://faculty.kfupm.edu.sa/EE/msunaidi/EE635%20stuff/project%202/p3.pdf)]. Experimental values of the complex refractive index of 11 metals — Ag, Au, Cu, Al, Be, Cr, Ni, Pd, Pt, Ti, W — are fit to a [Drude-Lorentzian susceptibility profile](#material-dispersion) over the broadband spectrum of approximately 0.2 to 12.4 µm. Fitting parameters for the materials are defined for a unit distance of 1 µm. For simulation models which use a *different* value for the unit distance, the predefined variable `eV_um_scale` (Python) or `eV-um-scale` (Scheme) must be rescaled by *multiplying* by whatever the unit distance is, in units of µm.
+A materials library containing commonly used metals in optoelectronic devices is available for [Python](https://github.com/stevengj/meep/tree/master/python/examples/materials_library.py) and [Scheme](https://github.com/stevengj/meep/tree/master/examples/materials-library.scm). The data is based on results published in [A.D. Rakic et al., Applied Optics, Vol. 37, No. 22, pp. 5271-83 (1998)](https://www.osapublishing.org/ao/abstract.cfm?uri=ao-37-22-5271) [[pdf](http://faculty.kfupm.edu.sa/EE/msunaidi/EE635%20stuff/project%202/p3.pdf)]. Experimental values of the complex refractive index of 11 metals — Ag, Au, Cu, Al, Be, Cr, Ni, Pd, Pt, Ti, W — are fit to a [Drude-Lorentzian susceptibility profile](#material-dispersion) over the broadband spectrum of approximately 0.2 to 12.4 µm. Fitting parameters for the materials are defined for a unit distance of 1 µm. For simulation models which use a *different* value for the unit distance, the predefined variable `eV_um_scale` (Python) or `eV-um-scale` (Scheme) must be rescaled by *multiplying* by whatever the unit distance is, in units of µm.
 
 To import the library into a Python script requires adding the following lines:
 

examples/Makefile.am

@@ -1,2 +1,2 @@
 EXTRA_DIST = 3rd-harm-1d.ctl bend-flux.ctl holey-wvg-bands.ctl	\
-holey-wvg-cavity.ctl ring.ctl ring-cyl.ctl material-dispersion.ctl
+holey-wvg-cavity.ctl ring.ctl ring-cyl.ctl material-dispersion.ctl materials-library.scm