added readme and license files

LICENSE

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+(The MIT License)
+
+Copyright (c) 2009 Jim Myhrberg
+
+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.md

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+# Skyline
+
+Skyline allows you to send shell commands to all machines in any one, or all AutoScaling groups in your Amazon EC2 account.
+
+
+## Requirements
+
+* Ruby
+* [Amazon EC2 account][ec2]
+* [Amazon EC2 API tools][ec2tools]
+* [Amazon AutoScaling tools][astools]
+* At least one AutoScaling group with instances
+
+
+## Usage
+
+Get Skyline:
+
+    git clone git://github.com/jimeh/skyline.git
+
+If you're using a custom SSH key, define it in `skyline_config.yml`:
+
+    ssh_key: ~/.ec2/kp_jimeh_default
+
+Run Skyline and it's help command:
+
+    ./skyline
+    help_me
+
+The pure basics are:
+* Select an AutoScaling group with the `use` command
+* Use the `icmd` command to enter an interactive shell where everything you enter runs in parallel on all machines within selected AutoScaling group.
+
+
+## Notes / Warnings
+
+* I created this tool in a hurry back in September to auto-scale a then fast growing Facebook application, and I haven't really touched it since. As such, it's not perfect, definitely has some bad code, and generally is far from perfect.
+
+  That said, it does work, and works very well. If there's something that can be done better, don't hesitate to fork and send me a pull request :)
+
+* This tool was originally mean to be used together with [Skyhook][skyhook]. But it's perfectly useful as a standalone tool.
+
+
+## License
+
+(The MIT License)
+
+Copyright (c) 2009 Jim Myhrberg
+
+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.
+
+
+
+
+[ec2]: http://aws.amazon.com/ec2/
+[ec2tools]: http://developer.amazonwebservices.com/connect/entry.jspa?externalID=351&categoryID=88
+[astools]: http://developer.amazonwebservices.com/connect/entry.jspa?externalID=2535&categoryID=88
+[skyhook]: git://github.com/jimeh/skyhook.git