add license info files

.gitignore

@@ -18,3 +18,4 @@ dist/src-mvn.zip
 dist/out-of-date.jar
 perf*.txt
 native/libffi/doc/libffi.info
+junit-*

LICENSE.ASL

@@ -0,0 +1,12 @@
+This copy of JNA is licensed under the
+Apache (Software) License, version 2.0 ("the License").
+See the License for details about distribution rights, and the
+specific rights regarding derivate works.
+
+You may obtain a copy of the License at:
+
+http://www.apache.org/licenses/
+
+A copy is also included in the downloadable source code package
+containing JNA, in file "ASL2.0", under the same directory
+as this file.

LICENSE.LGPL

@@ -0,0 +1,13 @@
+This copy of JNA is licensed under the
+Lesser General Public License (LGPL), version 2.1 ("the License").
+See the License for details about distribution rights, and the
+specific rights regarding derivate works.
+
+You may obtain a copy of the License at:
+
+http://www.gnu.org/licenses/licenses.html
+
+A copy is also included in the downloadable source code package
+containing JNA, in file "LGPL2.1", under the same directory
+as this file.
+