updated docs to reflect recent changes.

Author: agentzh

README renamed to README.markdown

@@ -1,24 +1,26 @@
 This repository holds the source scripts for my Nginx tutorial series
-published here: http://blog.sina.com.cn/openresty
+published here:
+
+    http://openresty.org/download/agentzh-nginx-tutorials-en.html
+
+Versions in other languages are expected to be maintained by the community.
 
 Pre-generated e-books can be downloaded directly from here:
 
-http://openresty.org/#eBooks
+    http://openresty.org/#eBooks
 
-1. install perl 5.8.1+ into your system (usually it is already
-   installed on *NIX systems.
+How to generate HTML and other ebook format files on your side:
 
+1. install perl 5.8.1+ into your system (usually it is already
+   installed on \*NIX systems.
 2. install the Perl CPAN module List::MoreUtils with the
    command:
 
         sudo cpan List::MoreUtils
 
 3. Install Calibre from here: http://calibre-ebook.com/
-
-4. Build the ebook files *.mobi and *.epub
-
+4. Build the ebook files \*.mobi and \*.epub
         make
-
-   Note that Gnu make is also required. On most *BSD systems,
+   Note that Gnu make is also required. On most \*BSD systems,
    it's usually required to run "gmake" instead of "make" here.