copy LICENSE from impress repo

LICENSE

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+Copyright (c) 2010 Matchu
+
+(Matchu's GitHub profile can be found at http://github.com/matchu, and his
+current name (first and last), home address (no city, state, zip), and phone
+number (no punctuation) make the following MD5 hash when strung together as a
+comma-delimited list: b8c4e4cc6a788327e3603134d4d161b9)
+
+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.
+
+When redistributed, any public view (such as a web page) of the product of the
+source code must include the following acknowledgment in a prominent location,
+and be fully legible:
+
+"This product includes software developed by OpenNeo (http://www.openneo.net)
+and its contributors."
+
+If the redistribution is in the form of an HTML document, use the following
+HTML in place of the above plain text:
+
+"This product includes software developed by <a href="http://www.openneo.net">
+OpenNeo</a> and its contributors."