Move P further down help

- one shouldn't be going backward
 - with preload stuff, it could be better, then a 'pick' mode should be there
 - and that's not really what this is for.  This is for running a compo
 - compos go ONE WAY

 - yes it's good to have it as an emergency. It's a good change.

index.html

@@ -36,12 +36,13 @@
       <ul class="keylist">
         <li><span class="key">F</span> Fullscreen</li>
         <li><span class="key">Space</span> Next Picture</li>
-        <li><span class="key">P</span> Previous Picture</li>
         <li><span class="key">S</span> Start or Reverse scrolling</li>
         <li><span class="key">X</span> Begin scrolling downward</li>
         <li><span class="key">W</span> Begin scrolling upward</li>
         <li><span class="key">A</span> Stop scrolling</li>
 
+        <li><span class="key">P</span> Previous Picture</li>
+
         <li><span class="key">T</span> Jump to Top of picture (resets zoom)</li>
         <li><span class="key">B</span> Jump to Bottom</li>
         <li><span class="key">1</span><span class="key">2</span><span class="key">3</span><span class="key">4</span><span class="key">5</span> Alter scrollspeed (fast -> slow)</li>