Revert of Remove directories in mojo/public/third_party that just mirrored third_party.

mojo/public/third_party/ply/license.patch

Index: mojo/public/third_party/ply/license.patch
diff --git a/mojo/public/third_party/ply/license.patch b/mojo/public/third_party/ply/license.patch
new file mode 100644
index 0000000000000000000000000000000000000000..7b2621fc46b06fcd862529e519f342c04bb958c5
--- /dev/null
+++ b/mojo/public/third_party/ply/license.patch
@@ -0,0 +1,41 @@
+diff --git a/third_party/ply/__init__.py b/third_party/ply/__init__.py
+index 853a985..f3da03e 100644
+--- a/third_party/ply/__init__.py
++++ b/third_party/ply/__init__.py
+@@ -1,4 +1,36 @@
+ # PLY package
+ # Author: David Beazley (dave@dabeaz.com)
++# -----------------------------------------------------------------------------
++# ply: yacc.py
++#
++# Copyright (C) 2001-2011,
++# David M. Beazley (Dabeaz LLC)
++# All rights reserved.
++#
++# Redistribution and use in source and binary forms, with or without
++# modification, are permitted provided that the following conditions are
++# met:
++#
++# * Redistributions of source code must retain the above copyright notice,
++#   this list of conditions and the following disclaimer.
++# * Redistributions in binary form must reproduce the above copyright notice,
++#   this list of conditions and the following disclaimer in the documentation
++#   and/or other materials provided with the distribution.
++# * Neither the name of the David Beazley or Dabeaz LLC may be used to
++#   endorse or promote products derived from this software without
++#  specific prior written permission.
++#
++# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
++# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
++# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
++# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
++# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
++# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
++# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
++# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
++# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
++# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
++# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
++# -----------------------------------------------------------------------------
+ 
+ __all__ = ['lex','yacc']