Exchange first slide on front page with PMPC (#432)

This involves a new possible XML value called text2 which we need in this slide.

index.xsl

@@ -138,6 +138,10 @@
       <xsl:if test=" text != '' ">
         <p class="text"><xsl:value-of select="text" /></p>
       </xsl:if>
+
+      <xsl:if test=" text2 != '' ">
+        <p class="text2"><xsl:value-of select="text2" /></p>
+      </xsl:if>
       
       <!-- Author (if existing) -->
       <xsl:if test="author != ''">

look/fsfe.less

@@ -219,9 +219,35 @@ img.signatory-logo {
         #summit16 img:last-of-type  { bottom: 10%; right: 5%; width: 50%; max-width: 400px; }
         @media (min-width: 800px) { #summit16 img:first-of-type {top: 20%;} }
         
-        #box15years {
-            .campaign-box-center;
-            background: url('/graphics/15years-campaignbox.png')  center no-repeat #666;
+        #boxpmpc {
+            background: url('/graphics/pmpc_slider.jpg')  left 33%  no-repeat #666;
+            background-size: cover;
+            text-shadow: 0px 1px 8px rgb(0,0,0);
+
+            .text, .text2 {
+                .quote;
+            }
+            .text, .text2 {
+                display: block;
+                padding: 1.25em;
+                min-width: 120px;
+                font-size: 1.25em;
+                hyphens: none;
+                text-align: center;
+            }
+
+            @media (min-width: @screen-sm) {
+                .text {
+                    float: left;
+                    width: 30%;
+                }
+                .text2 {
+                    float: right;
+                    width: 30%;
+                }
+                background-position: center;
+            }
+
         }
 
         #dfd {

tools/frontpage/30_pmpc.en.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<campaigns>
+    <campaign running="yes" id="boxpmpc">
+        <text>Why is software created using taxpayers' money not released as Free Software?</text>
+        <text2>If it is public money, it should be public code as well.</text2>
+        <link>/campaigns/pmpc</link>
+    </campaign>
+</campaigns>