Update ebiso to xorriso (#409)

bsc#1229430
jsc#DOCTEAM-1538

Author: tahliar

xml/ha_rear.xml

@@ -192,11 +192,10 @@
     <itemizedlist>
      <listitem>
      <para>
-      To allow disaster recovery on UEFI systems, you need at least &rear;
-      version 1.18.a and the package <package>ebiso</package>.
-      Only this version supports the new helper tool
-      <filename>/usr/bin/ebiso</filename>. This helper tool is
-      used to create a UEFI-bootable &rear; system ISO image.
+      To allow disaster recovery on UEFI systems, you need
+      the package <package>xorriso</package>, which provides the helper tool
+      <filename>/usr/bin/xorrisofs</filename>. This helper tool is
+      used to create a UEFI-bootable &rear; recovery system ISO image.
      </para>
      </listitem>
      <listitem>
@@ -549,23 +548,23 @@ RETENTION_TIME="Month"</screen>
     <screen>AUTOEXCLUDE_MULTIPATH=n</screen>
   </example>
 
-  <example xml:id="ex-ex-ha-rear-config-UEFI">
+  <example xml:id="ex-ha-rear-config-UEFI">
     <title>Booting your system with UEFI</title>
     <para>
       If your system boots with a UEFI boot loader, additional configuration is required:
     </para>
     <orderedlist>
       <listitem>
         <para>
-          Install the package <package>ebiso</package>:
+          Install the package <package>xorriso</package>:
         </para>
-<screen>&prompt.root;<command>zypper install ebiso</command></screen>
+<screen>&prompt.root;<command>zypper install xorriso</command></screen>
       </listitem>
       <listitem>
         <para>
           Add the following line to <filename>/etc/rear/local.conf</filename>:
         </para>
-<screen>ISO_MKISOFS_BIN="/usr/bin/ebiso"</screen>
+<screen>ISO_MKISOFS_BIN="/usr/bin/xorrisofs"</screen>
       </listitem>
       <listitem>
         <para>