update copyright notices

app/activities/Plot.py

@@ -1,3 +1,9 @@
+#
+# Copyright (c) Daniel Sheffield 2023
+#
+# All rights reserved
+#
+# THIS SOFTWARE IS PROVIDED AS IS WITHOUT WARRANTY
 from app.data.QueryManager import QueryManager, display_mapper
 from datetime import date, datetime
 import seaborn as sns

app/data/PriceView.py

@@ -1,5 +1,5 @@
 #
-# Copyright (c) Daniel Sheffield 2021 - 2022
+# Copyright (c) Daniel Sheffield 2021 - 2023
 #
 # All rights reserved
 #

app/data/TransactionView.py

@@ -1,5 +1,5 @@
 #
-# Copyright (c) Daniel Sheffield 2021 - 2022
+# Copyright (c) Daniel Sheffield 2021 - 2023
 #
 # All rights reserved
 #

reconcile.py

@@ -1,6 +1,6 @@
 #!/usr/bin/python3
 #
-# Copyright (c) Daniel Sheffield 2021
+# Copyright (c) Daniel Sheffield 2021 - 2023
 #
 # All rights reserved
 #