Update copyright year and add missing GPL headers part 2

Looks like a lot of files were missed...
Closes #1036

src/ARMJIT_Compiler.h

@@ -1,3 +1,21 @@
+/*
+    Copyright 2016-2021 Arisotura, RSDuck
+
+    This file is part of melonDS.
+
+    melonDS is free software: you can redistribute it and/or modify it under
+    the terms of the GNU General Public License as published by the Free
+    Software Foundation, either version 3 of the License, or (at your option)
+    any later version.
+
+    melonDS is distributed in the hope that it will be useful, but WITHOUT ANY
+    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+    FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with melonDS. If not, see http://www.gnu.org/licenses/.
+*/
+
 #ifndef ARMJIT_COMPILER_H
 #define ARMJIT_COMPILER_H
 

src/ARMJIT_Internal.h

@@ -1,3 +1,21 @@
+/*
+    Copyright 2016-2021 Arisotura, RSDuck
+
+    This file is part of melonDS.
+
+    melonDS is free software: you can redistribute it and/or modify it under
+    the terms of the GNU General Public License as published by the Free
+    Software Foundation, either version 3 of the License, or (at your option)
+    any later version.
+
+    melonDS is distributed in the hope that it will be useful, but WITHOUT ANY
+    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+    FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with melonDS. If not, see http://www.gnu.org/licenses/.
+*/
+
 #ifndef ARMJIT_INTERNAL_H
 #define ARMJIT_INTERNAL_H
 

src/ARMJIT_Memory.cpp

@@ -1,3 +1,21 @@
+/*
+    Copyright 2016-2021 Arisotura, RSDuck
+
+    This file is part of melonDS.
+
+    melonDS is free software: you can redistribute it and/or modify it under
+    the terms of the GNU General Public License as published by the Free
+    Software Foundation, either version 3 of the License, or (at your option)
+    any later version.
+
+    melonDS is distributed in the hope that it will be useful, but WITHOUT ANY
+    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+    FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with melonDS. If not, see http://www.gnu.org/licenses/.
+*/
+
 #if defined(__SWITCH__)
 #include <switch.h>
 #elif defined(_WIN32)

src/ARMJIT_Memory.h

@@ -1,3 +1,21 @@
+/*
+    Copyright 2016-2021 Arisotura, RSDuck
+
+    This file is part of melonDS.
+
+    melonDS is free software: you can redistribute it and/or modify it under
+    the terms of the GNU General Public License as published by the Free
+    Software Foundation, either version 3 of the License, or (at your option)
+    any later version.
+
+    melonDS is distributed in the hope that it will be useful, but WITHOUT ANY
+    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+    FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with melonDS. If not, see http://www.gnu.org/licenses/.
+*/
+
 #ifndef ARMJIT_MEMORY
 #define ARMJIT_MEMORY
 

src/ARMJIT_RegisterCache.h

@@ -1,3 +1,21 @@
+/*
+    Copyright 2016-2021 Arisotura, RSDuck
+
+    This file is part of melonDS.
+
+    melonDS is free software: you can redistribute it and/or modify it under
+    the terms of the GNU General Public License as published by the Free
+    Software Foundation, either version 3 of the License, or (at your option)
+    any later version.
+
+    melonDS is distributed in the hope that it will be useful, but WITHOUT ANY
+    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+    FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with melonDS. If not, see http://www.gnu.org/licenses/.
+*/
+
 #ifndef ARMJIT_REGCACHE_H
 #define ARMJIT_REGCACHE_H
 

src/DSiCrypto.cpp

@@ -1,5 +1,5 @@
 /*
-    Copyright 2016-2019 Arisotura
+    Copyright 2016-2021 Arisotura
 
     This file is part of melonDS.
 

src/DSiCrypto.h

@@ -1,5 +1,5 @@
 /*
-    Copyright 2016-2019 Arisotura
+    Copyright 2016-2021 Arisotura
 
     This file is part of melonDS.
 

src/GBACart.cpp

@@ -1,5 +1,5 @@
 /*
-    Copyright 2019 Arisotura, Raphaël Zumer
+    Copyright 2016-2021 Arisotura, Raphaël Zumer
 
     This file is part of melonDS.
 

src/GBACart.h

@@ -1,5 +1,5 @@
 /*
-    Copyright 2019 Arisotura, Raphaël Zumer
+    Copyright 2016-2021 Arisotura, Raphaël Zumer
 
     This file is part of melonDS.
 

src/NDSCart.cpp

@@ -1,5 +1,5 @@
 /*
-    Copyright 2016-2017 Arisotura
+    Copyright 2016-2021 Arisotura
 
     This file is part of melonDS.
 

src/NonStupidBitfield.h

@@ -1,3 +1,21 @@
+/*
+    Copyright 2016-2021 Arisotura, RSDuck
+
+    This file is part of melonDS.
+
+    melonDS is free software: you can redistribute it and/or modify it under
+    the terms of the GNU General Public License as published by the Free
+    Software Foundation, either version 3 of the License, or (at your option)
+    any later version.
+
+    melonDS is distributed in the hope that it will be useful, but WITHOUT ANY
+    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+    FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with melonDS. If not, see http://www.gnu.org/licenses/.
+*/
+
 #ifndef NONSTUPIDBITFIELD_H
 #define NONSTUPIDBITFIELD_H
 

src/frontend/SharedConfig.h

@@ -1,3 +1,21 @@
+/*
+    Copyright 2016-2021 Arisotura
+
+    This file is part of melonDS.
+
+    melonDS is free software: you can redistribute it and/or modify it under
+    the terms of the GNU General Public License as published by the Free
+    Software Foundation, either version 3 of the License, or (at your option)
+    any later version.
+
+    melonDS is distributed in the hope that it will be useful, but WITHOUT ANY
+    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+    FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with melonDS. If not, see http://www.gnu.org/licenses/.
+*/
+
 #ifndef SHAREDCONFIG_H
 #define SHAREDCONFIG_H
 

src/frontend/qt_sdl/ArchiveUtil.h

@@ -1,3 +1,21 @@
+/*
+    Copyright 2016-2021 Arisotura, WaluigiWare64
+
+    This file is part of melonDS.
+
+    melonDS is free software: you can redistribute it and/or modify it under
+    the terms of the GNU General Public License as published by the Free
+    Software Foundation, either version 3 of the License, or (at your option)
+    any later version.
+
+    melonDS is distributed in the hope that it will be useful, but WITHOUT ANY
+    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+    FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with melonDS. If not, see http://www.gnu.org/licenses/.
+*/
+
 #ifndef ARCHIVEUTIL_H
 #define ARCHIVEUTIL_H