TurboJPEG: Improve error handling

- Provide a new C API function and TJException method that allows
  calling programs to query the severity of a compression/decompression/
  transform error.
- Provide a new flag that instructs the library to immediately stop
  compressing/decompressing/transforming if a warning is encountered.

Fixes #151

java/doc/script.js

@@ -0,0 +1,30 @@
+function show(type)
+{
+    count = 0;
+    for (var key in methods) {
+        var row = document.getElementById(key);
+        if ((methods[key] &  type) != 0) {
+            row.style.display = '';
+            row.className = (count++ % 2) ? rowColor : altColor;
+        }
+        else
+            row.style.display = 'none';
+    }
+    updateTabs(type);
+}
+
+function updateTabs(type)
+{
+    for (var value in tabs) {
+        var sNode = document.getElementById(tabs[value][0]);
+        var spanNode = sNode.firstChild;
+        if (value == type) {
+            sNode.className = activeTableTab;
+            spanNode.innerHTML = tabs[value][1];
+        }
+        else {
+            sNode.className = tableTab;
+            spanNode.innerHTML = "<a href=\"javascript:show("+ value + ");\">" + tabs[value][1] + "</a>";
+        }
+    }
+}