Relicense to dual MIT/Apache-2.0

Closes https://github.com/bluejekyll/trust-dns/issues/6

Cargo.toml

@@ -24,7 +24,7 @@ keywords = ["DNS", "BIND", "dig", "named", "dnssec"]
 # crates.io will validate the license provided against a whitelist of known
 # license identifiers from http://spdx.org/licenses/. Multiple licenses can
 # be separated with a `/`
-license = "Apache-2.0"
+license = "MIT OR Apache-2.0"
 
 # custom build steps
 build = "build.rs"

LICENSE-APACHE

@@ -199,3 +199,4 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
+

LICENSE-MIT

@@ -0,0 +1,19 @@
+Copyright (c) 2015 The trust-dns Developers
+
+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

@@ -97,3 +97,19 @@ so this should allow it to work with most internal loads.
     Because I've gotten tired of seeing the security advisories out there for BIND.
 Using Rust semantics it should be possible to develop a high performance and
 safe DNS Server that is more resilient to attacks.
+
+## License
+
+Licensed under either of
+
+ * Apache License, Version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
+ * MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
+
+at your option.
+
+### Contribution
+
+Unless you explicitly state otherwise, any contribution intentionally
+submitted for inclusion in the work by you, as defined in the Apache-2.0
+license, shall be dual licensed as above, without any additional terms or
+conditions.