Added MIT license.

LICENSE

@@ -0,0 +1,20 @@
+Copyright (c) 2017-2018, Hussein Al-Asadi.
+
+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

@@ -1,11 +1,19 @@
-Migration and Population Surface estimation (MAPS)
-=====================================
+# Migration and Population Surface estimation (MAPS)
 
 The MAPs software is built from the eems software and the software
 usage is very similar. **Here, we only highlight the differences
 between the usage of MAPs and EEMS**. Please see
 https://github.com/dipetkov/eems for the usage in EEMS.
 
+## License
+
+Copyright (c) 2017-2018, Hussein Al-Asadi.
+
+The software and example programs in this repository are made
+available under the terms of the
+[MIT license](https://opensource.org/licenses/mit-license.html).
+See file [LICENSE](LICENSE) for the full text of the license.
+
 ## installing MAPS
 
 I recommend using *conda* to install MAPS
@@ -25,7 +33,6 @@ I recommend using *conda* to install MAPS
    ```
 * in the ```src``` directory, type ```make``` 
 
-
 ## preparing data for MAPS
 
 MAPS requires for input