releasing package livecd-rootfs version 2.542.4

debian/changelog

@@ -1,10 +1,11 @@
-livecd-rootfs (2.542.4) UNRELEASED; urgency=medium
+livecd-rootfs (2.542.4) cosmic; urgency=medium
 
+  [ Robert C Jennings ]
   * ubuntu-cpc: parallel builds (LP: #1829938)
     - Inject a proxy into the build providing a snapshot view of the package repo.
     - Use series files with dependency handling to generate hook symlinks dynamically
 
- -- Robert C Jennings <robert.jennings@canonical.com>  Wed, 24 Apr 2019 21:17:17 -0500
+ -- Steve Langasek <steve.langasek@ubuntu.com>  Tue, 21 May 2019 17:20:54 -0700
 
 livecd-rootfs (2.542.3) cosmic; urgency=medium