Add packages for a number of fonts.

The added fonts are

 - Caladea,
 - Carlito,
 - Comfortaa,
 - Comic Relief,
 - Crimson,
 - Fantasque Sans Mono,
 - Lobster Two,
 - Pecita,
 - Quattrocento, and
 - Quattrocento Sans.

pkgs/data/fonts/comic-relief/comic-sans-ms-alias.conf

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
+<fontconfig>
+  <!-- Configure Comic Relief as a metric-compatible alias for the
+       Microsoft Comic Sans font family. -->
+  <alias binding="same">
+    <family>Comic Sans MS</family>
+    <accept>
+      <family>Comic Relief</family>
+    </accept>
+  </alias>
+  <alias binding="same">
+    <family>Comic Relief</family>
+    <default>
+      <family>Comic Sans MS</family>
+    </default>
+  </alias>
+</fontconfig>

pkgs/data/fonts/comic-relief/default.nix

@@ -0,0 +1,49 @@
+{stdenv, fetchurl, unzip}:
+
+stdenv.mkDerivation rec {
+  name = "comic-relief-${version}";
+  version = "1.1";
+
+  src = fetchurl {
+    url = "https://dl.dropbox.com/u/56493902/loudifier/comicrelief.zip";
+    sha256 = "0wpf10m9zmcfvcxgc7dxzdm3syam7d7qxlfabgr1nxzq299kh8ch";
+  };
+
+  buildInputs = [unzip];
+
+  phases = ["unpackPhase" "installPhase"];
+
+  unpackCmd = ''
+    mkdir -p ${name}
+    unzip -qq -d ${name} $src
+  '';
+
+  installPhase = ''
+    mkdir -p $out/etc/fonts/conf.d
+    mkdir -p $out/share/doc/${name}
+    mkdir -p $out/share/fonts/truetype
+    cp -v *.ttf $out/share/fonts/truetype
+    cp -v ${./comic-sans-ms-alias.conf} $out/etc/fonts/conf.d/30-comic-sans-ms.conf
+    cp -v FONTLOG.txt $out/share/doc/${name}
+  '';
+
+  meta = with stdenv.lib; {
+    homepage = http://loudifier.com/comic-relief/;
+    description = "A font metric-compatible with Microsoft Comic Sans";
+    longDescription = ''
+      Comic Relief is a typeface designed to be metrically equivalent
+      to the popular Comic Sans MS. Comic Relief can be used in place
+      of Comic Sans MS without having to move, resize, or reset any
+      part of the copy. It contains all glyphs and characters
+      available in Comic Sans MS.
+    '';
+    license = licenses.ofl;
+    platforms = platforms.all;
+    maintainers = [maintainers.rycee];
+
+    # Reduce the priority of this package. The intent is that if you
+    # also install the `corefonts` package, then you probably will not
+    # want to install the font alias of this package.
+    priority = 10;
+  };
+}