[skip ci] Updated licenses and gitignores

options/license/MIT-Festival

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+Permission is hereby granted, free of charge, to use and distribute
+this software and its documentation without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of this work, and to
+permit persons to whom this work is furnished to do so, subject to
+the following conditions:
+1. The code must retain the above copyright notice, this list of
+conditions and the following disclaimer.
+2. Any modifications must be clearly marked as such.
+3. Original authors' names are not deleted.
+4. The authors' names are not used to endorse or promote products
+derived from this software without specific prior written
+permission.
+THE UNIVERSITY OF EDINBURGH AND THE CONTRIBUTORS TO THIS WORK
+DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT
+SHALL THE UNIVERSITY OF EDINBURGH NOR THE CONTRIBUTORS BE LIABLE
+FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
+AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
+THIS SOFTWARE.