Adopt MIT license

Author: yurrriq

LICENSE

@@ -1,11 +1,20 @@
-I hereby assign copyright in my past and future contributions to the Software
-Foundations project to the Author of Record of each volume or component, to be
-licensed under the same terms as the rest of Software Foundations. I understand
-that, at present, the Authors of Record are as follows: For Volumes 1 and 2,
-known until 2016 as "Software Foundations" and from 2016 as (respectively)
-"Logical Foundations" and "Programming Foundations," the Author of Record is
-Benjamin Pierce. For Volume 3, "Verified Functional Algorithms", the Author of
-Record is Andrew W. Appel. For components outside of designated Volumes (e.g.,
-typesetting and grading tools and other software infrastructure), the Author of
-Record is Benjamin Pierce. For the Idris translation, the Author of Record is
-Eric Bailey.
+The MIT License (MIT)
+Copyright © 2016-2018 idris-hackers team
+
+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.