Fix unlocking steps

html/CPV.html

@@ -33,7 +33,7 @@
   </p>
 </section>
 
-<section data-min-level="20">
+<section data-min-level="15">
   <h4>How is CP violation currently understood?</h4>
   <p>
   In 1973, two Japanese physicists, <a target="_blank" href="http://en.wikipedia.org/wiki/Makoto_Kobayashi_(physicist)">Makoto Kobayashi</a> and <a target="_blank" href="http://en.wikipedia.org/wiki/Toshihide_Maskawa">Toshihide Maskawa</a>, found a very simple and elegant way to explain the occurence of CP violation in our universe.

json/research.json

@@ -9,7 +9,7 @@
     "state": {
       "reputation": 1e0,
       "cost": 1e1,
-      "info_levels": [ 1, 5, 10, 25 ]
+      "info_levels": [ 1, 5, 10, 15, 20 ]
     }
   },
   {
@@ -113,7 +113,7 @@
     "state": {
       "reputation": 9e5,
       "cost": 5e9,
-      "info_levels": [ 1, 5, 10, 25 ]
+      "info_levels": [ 1, 5, 10, 15, 20 ]
     }
   },
   {