Merge branch 'qt-gui-update' of https://github.com/CopterExpress/clever-show into qt-gui-update

Server/copter_table_models.py

@@ -128,6 +128,10 @@ def check_time_delta(item):
 
 @ModelChecks.column_check("start_position", pass_context=True)
 def check_start_pos(item, context):
+
+    if ModelChecks.start_pos_delta_max == 0:
+        return True
+
     if context.current_position is None:
         return item != 'NO_POS'  # maybe should return true
 

Server/server_qt.py

@@ -50,10 +50,12 @@ def restart():  # move to core
     os.chdir(startup_cwd)
     os.execv(sys.executable, args)
 
+
 def update_server():
     subprocess.call("git fetch && git pull --rebase", shell=True)
     restart()
 
+
 def confirmation_required(text="Are you sure?", label="Confirm operation?"):
     def inner(f):
         @wraps(f)