fixed pdf urls in index

index.html

@@ -332,7 +332,7 @@
  <div class="subrow">
  <p class="subcl1">Nami Kim</p>
  <p class="subcl2"><a href="usx/" target="_blank" class="ext">User Sentimental eXperience</a></p>
- <p class="subcl3"><a href="usx/Nami Kim_graduation thesis_Xpub.pdf" target="_blank" class="ext">PDF</a>
+ <p class="subcl3"><a href="usx/Nami Kim_graduation%20thesis_Xpub.pdf" target="_blank" class="ext">PDF</a>
  </p></div>
  <div class="subrow">
  <p class="subcl1">Euna Lee</p>

index.rdfa.html

@@ -331,7 +331,7 @@
  <div class="subrow" typeof="xpub:project">
  <p class="subcl1" property="xpub:student">Nami Kim</p>
  <p class="subcl2" property="dc:title"><a href="usx/" target="_blank" class="ext" property="xpub:project">User Sentimental eXperience</a></p>
- <p class="subcl3"><a href="usx/Nami Kim_graduation thesis_Xpub.pdf" target="_blank" class="ext" property="xpub:thesis">PDF</a>
+ <p class="subcl3"><a href="usx/Nami Kim_graduation%20thesis_Xpub.pdf" target="_blank" class="ext" property="xpub:thesis">PDF</a>
  </p></div>
  <div class="subrow" typeof="xpub:project">
  <p class="subcl1" property="xpub:student">Euna Lee</p>