update hd44780 doc, fix issue with option names in doc; update ChangeLog

docs/lcdproc-user/drivers/imon.docbook

@@ -56,7 +56,7 @@ For further details, please consult the page and the forum at
 <variablelist>
 <varlistentry>
   <term>
-    <command>Size=</command>
+    <command>Size</command> =
     <arg choice="plain">
       <replaceable>WIDTH</replaceable>
       <literal>x</literal>
@@ -73,7 +73,7 @@ For further details, please consult the page and the forum at
 
 <varlistentry>
   <term>
-    <command>Device=</command>
+    <command>Device</command> =
     <arg choice="plain"><replaceable>DEVICE</replaceable></arg>
   </term>
   <listitem><para>