Updated LICENSE following Issue #4

Author: PierreRaybaut

LICENSE

@@ -1,31 +1,7 @@
-qwt License Agreement (MIT License)
------------------------------------
+qwt License Agreement (TBD)
+----------------------------
 
-Copyright (c) 2014-2015 Pierre Raybaut
+Qwt C++ code directly translated to Python: No Copyright, LGPL License (see http://qwt.sourceforge.net/qwtlicense.html)
+NumPy-based code: Copyright (c) 2014-2015 Pierre Raybaut, MIT License
 
-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.
-
-
-Included software
------------------
-
-License terms are included in any software used inside qwt's source code.
+License details: TBD.