Add automation options to the new game wizard.

To have an effect on turn zero these need to be enabled in the wizard.
Since the last page was getting quite full I've split it into two pages:
one for the objective generation options and a second for the difficulty
and player assist options.

I also added an option to set the inital budget for opfor.

qt_ui/main.py

@@ -23,6 +23,7 @@ from qt_ui import (
 from qt_ui.windows.GameUpdateSignal import GameUpdateSignal
 from qt_ui.windows.QLiberationWindow import QLiberationWindow
 from qt_ui.windows.newgame.QCampaignList import Campaign
+from qt_ui.windows.newgame.QNewGameWizard import DEFAULT_BUDGET
 from qt_ui.windows.preferences.QLiberationFirstStartWindow import \
     QLiberationFirstStartWindow
 
@@ -133,7 +134,8 @@ def create_game(campaign_path: Path, blue: str, red: str,
         Settings(supercarrier=supercarrier),
         GeneratorSettings(
             start_date=datetime.today(),
-            starting_budget=650,
+            player_budget=DEFAULT_BUDGET,
+            enemy_budget=DEFAULT_BUDGET,
             multiplier=1.0,
             midgame=False,
             inverted=False,