update to version 0.5.1

docs/lcdproc-user/bookinfo.docbook

@@ -71,7 +71,7 @@ Free Documentation License".
 <keywordset>
 <keyword>documentation</keyword>
 <keyword>LCDproc</keyword>
-<keyword>0.5.0</keyword>
+<keyword>0.5.1</keyword>
 <keyword>user's guide</keyword>
 </keywordset>
 

docs/lcdproc-user/how-to-obtain.docbook

@@ -12,14 +12,11 @@ Internet.
 <variablelist>
 
 <varlistentry>
-<term>LCDproc 0.4.3 to 0.4.5</term>
+  <term>LCDproc 0.5.1</term>
   <listitem>
     <para>
-LCDproc 0.4.5 was the last stable release of LCDproc. It no longer uses the old
+      LCDproc 0.5.1 is the current stable version of LCDproc.
-command line configuration, but introduces the configuration file <filename>/etc/LCDd.conf</filename>.
+      This is the version recommended to use.
-As well the driver API has slightly changed, which should not
-make older drivers incompatible, but might cause some trouble. As well the way
-<application>LCDd</application> reports messages (including error messages) has changed.
     </para>
   </listitem>
 </varlistentry>
@@ -28,7 +25,9 @@ make older drivers incompatible, but might cause some trouble. As well the way
   <term>LCDproc 0.5.0</term>
     <listitem>
     <para>
-LCDproc 0.5.0 is the current stable version of LCDproc. It's recommended that you use this version.
+      LCDproc 0.5.0 is the old stable version of LCDproc.
+      It was the first stable version of LCDproc after the move to the 0.5 API.
+      It now has been superseeded with LCDproc 0.5.1.
     </para>
   </listitem>
 </varlistentry>