Update license in text

rma-tabuliser

@@ -2,20 +2,27 @@
 
 ## Bash script to generate count/taxon/OTU tables from RMA6 files
 
-## Copyright (c) 2021 James A. Fellows Yates ([email protected])
-
-## This program is free software: you can redistribute it and/or modify        
-## it under the terms of the GNU General Public License as published by        
-## the Free Software Foundation, either version 3 of the License, or           
-## (at your option) any later version.                                         
-
-# This program is distributed in the hope that it will be useful,             
-# but WITHOUT ANY WARRANTY; without even the implied warranty of              
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               
-# GNU General Public License for more details.                                
-
-# You should have received a copy of the GNU General Public License           
-# along with this program.  If not, see <https://www.gnu.org/licenses/>. 
+## MIT License
+## 
+## Copyright (c) 2021 James A. Fellows Yates
+## 
+## 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.
 
 ## DEFAULTS ####################################################################
 
@@ -31,7 +38,7 @@ verbose=""
 threads=1
 keep=false
 summ=""
-prog_version="0.2.0\n"
+prog_version="0.2.1\n"
 
 ## FUNCTIONS ###################################################################