Update for license

Author: ferhatelmas

LICENSE

@@ -1,4 +1,4 @@
-Copyright (c) 2014-2017 Stream.io Inc, and individual contributors.
+Copyright (c) 2014-2021, Stream.io Inc, and individual contributors.
 
 All rights reserved.
 
@@ -25,24 +25,3 @@ SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSE
 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 POSSIBILITY OF SUCH DAMAGE.
-
-  httpsig
-  - https://github.com/ahknight/httpsig
-
-    Copyright (c) 2014 Adam Knight
-    Copyright (c) 2012 Adam T. Lindsay (original author)
-
-    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

@@ -184,6 +184,4 @@ If unsure you can also test using the Pypi test servers `twine upload --reposito
 
 ### Copyright and License Information
 
-Copyright (c) 2014-2017 Stream.io Inc, and individual contributors. All rights reserved.
-
-See the file "LICENSE" for information on the history of this software, terms & conditions for usage, and a DISCLAIMER OF ALL WARRANTIES.
+Project is licensed under the [BSD 3-Clause](LICENSE).