Move the old JS uploader backend libs out from the CoreLibs

They are not CoreLibs and so they moved one level up and were renamed
"FileUpload"

www/lib/FileUpload/Core/qqUploadedFileForm.inc

@@ -0,0 +1,31 @@
+<?php
+
+namespace FileUpload\Core;
+
+/**
+ * Handle file uploads via regular form post (uses the $_FILES array)
+ */
+class qqUploadedFileForm
+{
+	/**
+	 * Save the file to the specified path
+	 * @return boolean TRUE on success
+	 */
+	public function save($path)
+	{
+		if (!move_uploaded_file($_FILES['qqfile']['tmp_name'], $path)) {
+			return false;
+		}
+		return true;
+	}
+	public function getName()
+	{
+		return $_FILES['qqfile']['name'];
+	}
+	public function getSize()
+	{
+		return $_FILES['qqfile']['size'];
+	}
+}
+
+// __END__

www/lib/FileUpload/Core/qqUploadedFileXhr.inc

@@ -0,0 +1,46 @@
+<?php
+
+namespace FileUpload\Core;
+
+/**
+ * Handle file uploads via XMLHttpRequest
+ */
+class qqUploadedFileXhr
+{
+	/**
+	 * Save the file to the specified path
+	 * @return boolean TRUE on success
+	 */
+	public function save($path)
+	{
+		$input = fopen("php://input", "r");
+		$temp = tmpfile();
+		$realSize = stream_copy_to_stream($input, $temp);
+		fclose($input);
+
+		if ($realSize != $this->getSize()) {
+			return false;
+		}
+
+		$target = fopen($path, "w");
+		fseek($temp, 0, SEEK_SET);
+		stream_copy_to_stream($temp, $target);
+		fclose($target);
+
+		return true;
+	}
+	public function getName()
+	{
+		return $_GET['qqfile'];
+	}
+	public function getSize()
+	{
+		if (isset($_SERVER["CONTENT_LENGTH"])) {
+			return (int)$_SERVER["CONTENT_LENGTH"];
+		} else {
+			throw new Exception('Getting content length is not supported.');
+		}
+	}
+}
+
+// __END__