[release-notes] Adding first 3 sections to Installation

[pbokoc]

commit c34ba3d2d2665586b250ab79df2aa95ffbcffee6
Author: Petr Bokoc <pbokoc at redhat.com>
Date:   Mon Oct 6 22:19:19 2014 +0200

    Adding first 3 sections to Installation

 en-US/Installation.xml |   45 +++++++++++++++++++++++++++++++++++++++++++--
 1 files changed, 43 insertions(+), 2 deletions(-)
---
diff --git a/en-US/Installation.xml b/en-US/Installation.xml
index b7f16d0..5be6eb9 100644
--- a/en-US/Installation.xml
+++ b/en-US/Installation.xml
@@ -4,8 +4,49 @@
 %BOOK_ENTITIES;
 ]>
 
-<section id="installation">
+<section id="sect-installation">
   <title>Installation</title>
   <para />
-
+  
+  <section id="sect-installation-zram-swap">
+    <title>zRAM Swap Support</title>
+    <para>
+      The <application>Anaconda</application> installer now supports <systemitem>swap</systemitem> on zRAM during the installation.
+    </para>
+    <para>
+      zRAM is a standard block device with compressed contents. Placing <systemitem>swap</systemitem> into such a device during the installation allows the installer to store more data in RAM instead of in the hard drive. This is especially helpful on low-memory systems; on these systems, the installation can be performed much faster with this feature enabled.
+    </para>
+    <para>
+      This feature is automatically enabled if <application>Anaconda</application> detects 2 GB or less memory, and disabled on systems with more memory. To force zRAM swap on or off, use the <option>inst.zram=on</option> or <option>inst.zram=off</option> boot option within the boot menu.
+    </para>
+    <para>
+      Specific limits, numbers and way of implementation may be changed in the future.
+    </para>
+  </section>
+  
+  <section id="sect-installation-help">
+    <title>Built-in Help in the Graphical Interface</title>
+    <para>
+      The installer's graphical user interface now supports built-in help. Every screen in the installer, as well as the <application>Initial Setup</application> utility which runs the first time you reboot your system after the installation, now contains a <guilabel>Help</guilabel> button. This button opens a section of the <citetitle>Fedora Installation Guide</citetitle> relevant to the current screen in the <application>Yelp</application> help browser.
+    </para>
+    <para>
+      At the same time, the <citetitle>Installation Guide</citetitle> is being rewritten to better match the installer's structure.
+    </para>
+    <para>
+      Help for text mode installations is not available. 
+    </para>
+  </section>
+  
+  <section id="sect-installation-boot-options">
+    <title>Changes in Boot Options</title>
+    <para>
+      A <firstterm>boot option</firstterm> is used to modify the installer's behavior using the boot command line. The following boot options have been added in Fedora 21:
+    </para>
+    <simplelist>
+      <member><option>inst.zram=</option>: use this option to force zRAM swap on (<option>inst.zram=on</option>) or off (<option>inst.zram=off</option>)</member>
+      <member><option>inst.dnf</option>: use the experimental <application>DNF</application> backend for package installation instead of <application>YUM</application></member>
+      <member><option>inst.memcheck</option>: perform a check at the beginning of the installation to determine if there is enough available RAM. If there is not enough memory detected, the installation will stop with an error message. This option is enabled by default; use <option>inst.memcheck=0</option> to disable it</member>
+    </simplelist>  
+  </section>
+  
 </section>