fix links in doc; autotools requires README

Author: zdenop

README.md renamed to README

@@ -1,13 +1,13 @@
 '\" t
 .\"     Title: ambiguous_words
 .\"    Author: [see the "AUTHOR" section]
-.\" Generator: DocBook XSL Stylesheets v1.75.2 <http://docbook.sf.net/>
-.\"      Date: 02/09/2012
+.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
+.\"      Date: 06/12/2015
 .\"    Manual: \ \&
 .\"    Source: \ \&
 .\"  Language: English
 .\"
-.TH "AMBIGUOUS_WORDS" "1" "02/09/2012" "\ \&" "\ \&"
+.TH "AMBIGUOUS_WORDS" "1" "06/12/2015" "\ \&" "\ \&"
 .\" -----------------------------------------------------------------
 .\" * Define some portability stuff
 .\" -----------------------------------------------------------------