Fix links to incorrect help documents

mutalyzer/website/templates/reference-loader.html

@@ -154,7 +154,7 @@ sequence (maximum size is {{ max_file_size }} megabytes).
   </div>
   <div class="form-group">
     <input type="submit" value="Submit"class="btn btn-primary">
-    <a href="https://humgenprojects.lumc.nl/trac/mutalyzer/wiki/SyntaxChecker" target="_blank" class="btn btn-default pull-right">Help</a>
+    <a href="https://humgenprojects.lumc.nl/trac/mutalyzer/wiki/ReferenceLoader" target="_blank" class="btn btn-default pull-right">Help</a>
   </div>
 </form>
 

mutalyzer/website/templates/snp-converter.html

@@ -21,7 +21,7 @@ the reference sequence(s) used by dbSNP.
 
   <div class="form-group">
     <input type="submit" class="btn btn-primary" value="Submit">
-    <a href="https://humgenprojects.lumc.nl/trac/mutalyzer/wiki/PositionConverter" target="new" class="btn btn-default pull-right">Help</a>
+    <a href="https://humgenprojects.lumc.nl/trac/mutalyzer/wiki/SnpConverter" target="new" class="btn btn-default pull-right">Help</a>
   </div>
 </form>