updated README, changed to markdown

README → README.md

@@ -4,23 +4,26 @@ as simple, unified interface and packaging of several free/open-source
 nonlinear optimization libraries.
 
 The latest version and a complete manual may be found at the NLopt
-home page:
-
-     http://ab-initio.mit.edu/nlopt
+home page: http://ab-initio.mit.edu/nlopt
 
 It is compiled and installed with the standard GNU autoconf/automake
 commands:
+
 	./configure
 	make
 	make install
-(See './configure --help' or the INSTALL file for other options.)
 
-Once it is installed, #include <nlopt.h> in your C/C++ programs and
-link it with -lnlopt -lm.  You may need to use the C++ compiler to link
+(See `./configure --help` or the `INSTALL` file for other options.)
+
+Once it is installed, `#include <nlopt.h>` in your C/C++ programs and
+link it with `-lnlopt -lm`.  You may need to use the C++ compiler to link
 in order to include the C++ libraries (which are used internally by NLopt,
 even though it has a C API).
 
-The minimization function, nlopt_minimize, is described in the man
-page (api/nlopt_minimize.3, which is installed by 'make install'.
+The minimization function, `nlopt_minimize`, is described in the [man
+page](http://en.wikipedia.org/wiki/Man_page) (`api/nlopt_minimize.3`,
+which is installed by `make install`.
 
-Interfaces for other languages may be added in the future.
+There are also interfaces for Fortran, Python, Matlab, Octave, OCaml,
+GNU Guile, GNU R, Lua, and Julia.  Interfaces for other languages may
+be added in the future.