Change license from CeCILL v2 to MPL-2.0 (more permissive) (#208)

* relicense to MPL-2.0 using a script

* changing license field in opam file, thx to @Zimmi48

* renamed MPL-2.0 license file for GitHub automatic recognition

Author: DmxLarchey

CeCILL_LICENSE.txt

@@ -18,7 +18,7 @@ authors: ["Yannick Forster"
           "Dominik Wehr"
           "Maxi Wuttke"]
 
-license: "CECILL-2.1"
+license: "MPL-2.0"
 build: [
   [make "-j%{jobs}%"]
 ]

LICENSE

@@ -4,7 +4,7 @@
 (*                             [*] Affiliation LORIA -- CNRS  *)
 (**************************************************************)
 (*      This file is distributed under the terms of the       *)
-(*         CeCILL v2 FREE SOFTWARE LICENSE AGREEMENT          *)
+(*        Mozilla Public License Version 2.0, MPL-2.0         *)
 (**************************************************************)
 
 Require Import List Arith Lia Max.

opam

@@ -4,7 +4,7 @@
 (*                             [*] Affiliation LORIA -- CNRS  *)
 (**************************************************************)
 (*      This file is distributed under the terms of the       *)
-(*         CeCILL v2 FREE SOFTWARE LICENSE AGREEMENT          *)
+(*        Mozilla Public License Version 2.0, MPL-2.0         *)
 (**************************************************************)
 
 (* Elementary Diophantine constraints w/o parameters

theories/DiophantineConstraints/Reductions/FRACTRAN_to_H10C_SAT.v

@@ -6,7 +6,7 @@
 (*                             [+] Affiliation U. Sarrbrucken *)
 (**************************************************************)
 (*      This file is distributed under the terms of the       *)
-(*         CeCILL v2 FREE SOFTWARE LICENSE AGREEMENT          *)
+(*        Mozilla Public License Version 2.0, MPL-2.0         *)
 (**************************************************************)
 
 (* This was implemented by DLW following the ideas of 

theories/DiophantineConstraints/Util/h10c_utils.v

@@ -4,7 +4,7 @@
 (*                             [*] Affiliation LORIA -- CNRS  *)
 (**************************************************************)
 (*      This file is distributed under the terms of the       *)
-(*         CeCILL v2 FREE SOFTWARE LICENSE AGREEMENT          *)
+(*        Mozilla Public License Version 2.0, MPL-2.0         *)
 (**************************************************************)
 
 Require Import List Arith Lia Max.

theories/FOL/TRAKHTENBROT/BPCP_SigBPCP.v

@@ -4,7 +4,7 @@
 (*                             [*] Affiliation LORIA -- CNRS  *)
 (**************************************************************)
 (*      This file is distributed under the terms of the       *)
-(*         CeCILL v2 FREE SOFTWARE LICENSE AGREEMENT          *)
+(*        Mozilla Public License Version 2.0, MPL-2.0         *)
 (**************************************************************)
 
 Require Import List Arith Bool Lia Eqdep_dec.

theories/FOL/TRAKHTENBROT/Sig0.v

@@ -4,7 +4,7 @@
 (*                             [*] Affiliation LORIA -- CNRS  *)
 (**************************************************************)
 (*      This file is distributed under the terms of the       *)
-(*         CeCILL v2 FREE SOFTWARE LICENSE AGREEMENT          *)
+(*        Mozilla Public License Version 2.0, MPL-2.0         *)
 (**************************************************************)
 
 Require Import List Arith Bool Lia Eqdep_dec.

theories/FOL/TRAKHTENBROT/Sig1.v

@@ -4,7 +4,7 @@
 (*                             [*] Affiliation LORIA -- CNRS  *)
 (**************************************************************)
 (*      This file is distributed under the terms of the       *)
-(*         CeCILL v2 FREE SOFTWARE LICENSE AGREEMENT          *)
+(*        Mozilla Public License Version 2.0, MPL-2.0         *)
 (**************************************************************)
 
 Require Import List Arith Bool Lia Eqdep_dec.