Bypass the debconf prompt for msttcorefonts, which absolutely breaks some license agreement.

lubuntu/modules/pkgselect_context.conf

@@ -9,6 +9,7 @@ timeout: 300
     true:
         - "sed -i 's/Enabled: no/Enabled: yes/g' /etc/apt/sources.list.d/ubuntu_nonfree.sources"
         - "apt-get update"
+        - "echo ttf-mscorefonts-installer msttcorefonts/accepted-mscorefonts-eula select true | debconf-set-selections"
         - "apt-get -y install ubuntu-restricted-extras"
 "packages.updateNow":
     true: "apt-get -y full-upgrade"