Add support for building the new analyzer using gyp.

editor/tools/compile_analyzer.py

+#!/usr/bin/env python
+# Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
+# for details. All rights reserved. Use of this source code is governed by a
+# BSD-style license that can be found in the LICENSE file.
+#
+# Script to compile the analyzer.
+#
+# Usage: compile_analyzer.py output_dir class_path files
+#
+
+import sys
+import subprocess
+
+def main():
+  cmd = ['javac',
+         '-sourcepath', 'foobar',
+         '-source', '6',
+         '-target', '6',
+         '-implicit:none',
+         '-d', sys.argv[1],
+         '-cp', sys.argv[2],
+         ]
+  # Add all the source files.
+  cmd.extend(sys.argv[3:])
+  subprocess.call(cmd)
+
+
+if __name__=='__main__':
+  main()