fixing examples and their doc

src/configure.ac

@@ -1,6 +1,6 @@
 dnl Run autoconf to generate configure from this file
 
-AC_INIT([GF],[2.6t],[aarne@cs.chalmers.se],[GF])
+AC_INIT([GF],[2.7],[aarne@cs.chalmers.se],[GF])
 
 AC_PREREQ(2.53)
 

src/gf.spec

@@ -1,5 +1,5 @@
 %define name GF
-%define version 2.6t
+%define version 2.7
 %define release 1
 
 Name: %{name}