Added stack trace.js tests

stacktrace/stacktrace-tests.ts

@@ -0,0 +1,25 @@
+import StackTrace = require('StackTrace');
+
+function interestingFn() {
+    return 'https://github.com/exceptionless/Exceptionless';
+}
+
+var callback = function(stackframes) {
+    var stringifiedStack = stackframes.map(function(sf) {
+        return sf.toString();
+    }).join('\n');
+    console.log(stringifiedStack);
+};
+
+var errback = function(err) { console.log(err.message); };
+
+
+StackTrace.get();
+
+// Somewhere else...
+var error = new Error('BOOM!');
+StackTrace.fromError(error);
+StackTrace.generateArtificially();
+
+StackTrace.instrument(interestingFn, callback, errback);
+StackTrace.deinstrument(interestingFn);