Add license and readme

LICENSE

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+The MIT License (MIT)
+
+Copyright (c) 2015 Peter Melnichenko
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.rst

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+hererocks
+=========
+
+``hererocks`` is a single file Python script for installing `Lua <http://http://www.lua.org/>`_ and `LuaRocks <https://luarocks.org/>`_, its package manager, into a local directory.
+
+::
+
+   $ hererocks here --lua=5.2.3 --luarocks=2.2.2
+   $ here/bin/lua -v
+   Lua 5.2.3  Copyright (C) 1994-2013 Lua.org, PUC-Rio
+   $ here/bin/luarocks --version
+   here/bin/luarocks 2.2.2
+   LuaRocks main command-line interface
+   $ here/bin/luarocks install busted
+   $ here/bin/busted --version
+   2.0.rc10-0
+
+WIP