Closes #59: Use TwelveMonkeys' ImageIO plugin for JPEG

docs-web/pom.xml

@@ -83,6 +83,11 @@
       <groupId>com.h2database</groupId>
       <artifactId>h2</artifactId>
     </dependency>
+    
+    <dependency>
+      <groupId>com.twelvemonkeys.servlet</groupId>
+      <artifactId>servlet</artifactId>
+    </dependency>
 
     <!-- Test dependencies -->
     <dependency>

docs-web/src/main/webapp/WEB-INF/web.xml

@@ -7,6 +7,12 @@
   metadata-complete="true"> 
   <display-name>Docs</display-name>
   
+  <!-- Proper loader/unloader of ImageIO plugins -->
+  <listener>
+    <display-name>ImageIO service provider loader/unloader</display-name>
+    <listener-class>com.twelvemonkeys.servlet.image.IIOProviderContextListener</listener-class>
+  </listener>
+  
   <!-- This filter is used to process a couple things in the request context -->
   <filter>
     <filter-name>requestContextFilter</filter-name>