README: use markdown

README.md

@@ -1,5 +1,5 @@
-Migen (Milkymist generator)
-  a Python toolbox for building complex digital hardware
+## Migen (Milkymist generator)
+### a Python toolbox for building complex digital hardware
 
 Despite being faster than schematics entry, hardware design with Verilog and
 VHDL remains tedious and inefficient for several reasons. The event-driven
@@ -10,7 +10,7 @@ fertile ground for subtle bugs in designs. Finally, support for procedural
 generation of logic (metaprogramming) through "generate" statements is very
 limited and restricts the ways code can be made generic, reused and organized.
 
-To address those issues, we have developed the Migen FHDL library that
+To address those issues, we have developed the **Migen FHDL** library that
 replaces the event-driven paradigm with the notions of combinatorial and
 synchronous statements, has arithmetic rules that make integers always behave
 like mathematical integers, and most importantly allows the design's logic to
@@ -27,8 +27,15 @@ written in Python.
 
 See the doc/ folder for more technical information.
 
-Quick intro:
+Code repository:
+https://github.com/m-labs/migen
+System-on-chip design based on Migen:
+https://github.com/m-labs/misoc
 
+Migen is designed for Python 3.3. Note that Migen is **not** spelled MiGen.
+
+### Quick intro
+```python
 from migen.fhdl.std import *
 from mibuild.platforms import m1
 plat = m1.Platform()
@@ -38,14 +45,9 @@ counter = Signal(26)
 m.comb += led.eq(counter[25])
 m.sync += counter.eq(counter + 1)
 plat.build_cmdline(m)
+```
 
-Code repository:
-https://github.com/m-labs/migen
-System-on-chip design based on Migen:
-https://github.com/m-labs/misoc
-
-Migen is designed for Python 3.3.
-
+### License
 Migen is released under the very permissive two-clause BSD license. Under the
 terms of this license, you are authorized to use Migen for closed-source
 proprietary designs.
@@ -53,7 +55,7 @@ Even though we do not require you to do so, those things are awesome, so please
 do them if possible:
 * tell us that you are using Migen
 * put the Migen logo (doc/migen_logo.svg) on the page of a product using it,
-   with a link to m-labs.hk
+   with a link to http://m-labs.hk
  * cite Migen in publications related to research it has helped
  * send us feedback and suggestions for improvements
  * send us bug reports when something goes wrong
@@ -62,8 +64,6 @@ do them if possible:
    complex and/or you are not sure how to proceed, feel free to discuss it on
    the mailing list or IRC (#m-labs on Freenode) beforehand.
 
-Note that Migen is not spelled MiGen.
-
 See LICENSE file for full copyright and license info. You can contact us on the
 public mailing list devel [AT] lists.m-labs.hk.