Dynamic module, new demo image, demo cleanup, re-configurable demo steps (#139)

* rebase and build

* bump version to v0.1.1

examples/lib/imageSelection.js

@@ -0,0 +1,46 @@
+function setupFileHandling(_sequencer, dropzoneId, fileInputId) {
+
+  dropzoneId = dropzoneId || "dropzone";
+  var dropzone = $('#' + dropzoneId);
+
+  fileInputId = fileInputId || "fileInput";
+  var fileInput = $('#' + fileInputId);
+
+  function handleFile(e) {
+
+    e.preventDefault();
+    e.stopPropagation(); // stops the browser from redirecting.
+
+    if (e.target && e.target.files) var file = e.target.files[0];
+    else var file = e.dataTransfer.files[0];
+    if(!file) return;
+
+    reader.onload = function onFileReaderLoad() {
+      var loadStep = _sequencer.images.image1.steps[0];
+      loadStep.output.src = reader.result;
+      _sequencer.run(0);
+      loadStep.options.step.imgElement.src = reader.result;
+    }
+
+    reader.readAsDataURL(file);
+  }
+
+  fileInput.on('change', handleFile);
+
+  dropzone[0].addEventListener('drop', handleFile, false);
+
+  dropzone.on('dragover', function onDragover(e) {
+    e.stopPropagation();
+    e.preventDefault();
+    e.dataTransfer.dropEffect = 'copy'; // Explicitly show this is a copy.
+  }, false);
+
+  dropzone.on('dragenter', function onDragEnter(e) {
+    dropzone.addClass('hover');
+  });
+
+  dropzone.on('dragleave', function onDragLeave(e) {
+    dropzone.removeClass('hover');
+  });
+
+}