Merge lp:~dsmythies/installation-guide/bionic into lp:~ubuntu-core-dev/installation-guide/ubuntu

[Doug Smythies]

Bump versions for bionic so that the HTML can be built for the pending 18.04 LTS publication on help.ubuntu.com

[Mathieu Trudel-Lapierre (cyphermox)]

review: Approve

=== modified file 'build/arch-options/linux'
--- build/arch-options/linux	2016-03-06 01:09:56 +0000
+++ build/arch-options/linux	2018-04-25 00:12:57 +0000
@@ -4,5 +4,5 @@
 archspec="$archspec;linux-any"
 arch_kernel="Linux"
 arch_parttype="Linux"
-kernelversion="4.4"
+kernelversion="4.15"
 kernelpackage="linux-image"
 
=== modified file 'build/entities/common.ent'
--- build/entities/common.ent	2016-06-07 15:32:21 +0000
+++ build/entities/common.ent	2018-04-25 00:12:57 +0000
@@ -4,7 +4,7 @@
 
 <!-- current year (to be used for copyright declaration). -->
 <!-- When changing this, also change in "debian/copyright" file)! -->
-<!ENTITY current-year "2015">
+<!ENTITY current-year "2018">
 
 <!-- short name to use for Debian -->
 <!-- we substitute Ubuntu's name here, so that we can reduce the number of
@@ -19,11 +19,11 @@
 
 <!ENTITY d-i "<classname>debian-installer</classname>">
 
-<!ENTITY release     "16.04">
-<!ENTITY releasename "xenial">
-<!ENTITY longreleasename "<quote>Xenial Xerus</quote>">
-<!ENTITY releasename-cap "Xenial">
-<!ENTITY releasename-uc "XENIAL">
+<!ENTITY release     "18.04">
+<!ENTITY releasename "bionic">
+<!ENTITY longreleasename "<quote>Bionic Beaver</quote>">
+<!ENTITY releasename-cap "Bionic">
+<!ENTITY releasename-uc "BIONIC">
 
 <!ENTITY FIXME
   "<emphasis>Documentation not complete, text missing.</emphasis>">
@@ -168,7 +168,7 @@
 <!ENTITY speakupver "3.1.6">
 
 <!-- version of GNOME shipping with the current release -->
-<!ENTITY gnomeversion "3.18">
+<!ENTITY gnomeversion "3.28">
 
 <!-- an example of adding another image to lilo.conf, cf
      en/post-install.sgml etc. -->
 
=== modified file 'build/preseed.pl'
--- build/preseed.pl	2016-03-06 01:09:56 +0000
+++ build/preseed.pl	2018-04-25 00:12:57 +0000
@@ -72,7 +72,7 @@
 	$text =~ s/&archive-mirror;/archive.ubuntu.com/g;
 	$text =~ s/&releasename;/$release/g;
 	$text =~ s/&kernelpackage;/linux-image/g;
-	$text =~ s/&kernelversion;/4.4/g;
+	$text =~ s/&kernelversion;/4.15/g;
 	$text =~ s/&gt;/>/g;
 	$text =~ s/&lt;/</g;