Change -V option to -v everywhere

scripts/kill.py

@@ -13,9 +13,8 @@ def main():
     def_url = os.environ.get("NILMRUN_URL", "http://localhost/nilmrun/")
     parser = argparse.ArgumentParser(
         description = 'Kill/remove a process from the NilmRun server',
-        formatter_class = argparse.ArgumentDefaultsHelpFormatter)
-    parser.add_argument("-V", "--version", action="version",
-                        version = nilmrun.__version__)
+        formatter_class = argparse.ArgumentDefaultsHelpFormatter,
+        version = nilmrun.__version__)
     group = parser.add_argument_group("Standard options")
     group.add_argument('-u', '--url',
                        help = 'NilmRun server URL', default = def_url)

scripts/nilmrun_server.py

@@ -10,10 +10,8 @@ def main():
 
     parser = argparse.ArgumentParser(
         description = 'Run the NilmRun server',
-        formatter_class = argparse.ArgumentDefaultsHelpFormatter)
-
-    parser.add_argument("-V", "--version", action="version",
-                        version = nilmrun.__version__)
+        formatter_class = argparse.ArgumentDefaultsHelpFormatter,
+        version = nilmrun.__version__)
 
     group = parser.add_argument_group("Standard options")
     group.add_argument('-a', '--address',

scripts/ps.py

@@ -13,9 +13,8 @@ def main():
     def_url = os.environ.get("NILMRUN_URL", "http://localhost/nilmrun/")
     parser = argparse.ArgumentParser(
         description = 'List NilmRun processes',
-        formatter_class = argparse.ArgumentDefaultsHelpFormatter)
-    parser.add_argument("-V", "--version", action="version",
-                        version = nilmrun.__version__)
+        formatter_class = argparse.ArgumentDefaultsHelpFormatter,
+        version = nilmrun.__version__)
     group = parser.add_argument_group("Standard options")
     group.add_argument('-u', '--url',
                        help = 'NilmRun server URL', default = def_url)

scripts/run.py

@@ -14,9 +14,8 @@ def main():
     def_url = os.environ.get("NILMRUN_URL", "http://localhost/nilmrun/")
     parser = argparse.ArgumentParser(
         description = 'Run a command on the NilmRun server',
-        formatter_class = argparse.ArgumentDefaultsHelpFormatter)
-    parser.add_argument("-V", "--version", action="version",
-                        version = nilmrun.__version__)
+        formatter_class = argparse.ArgumentDefaultsHelpFormatter,
+        version = nilmrun.__version__)
     group = parser.add_argument_group("Standard options")
     group.add_argument('-u', '--url',
                        help = 'NilmRun server URL', default = def_url)