define special hooks for install wizard

lib/plugins.py

@@ -40,12 +40,13 @@ def hook(func):
 
 
 def run_hook(name, *args):
+    SPECIAL_HOOKS = ['add_wallet_types', 'get_wizard_action']
     results = []
     f_list = hooks.get(name,[])
     for p, f in f_list:
         if name == 'load_wallet':
             p.wallet = args[0]
-        if p.is_enabled():
+        if name in SPECIAL_HOOKS or p.is_enabled():
             try:
                 r = f(*args)
             except Exception:

plugins/trustedcoin.py

@@ -344,15 +344,13 @@ class Plugin(BasePlugin):
 
     @hook
     def load_wallet(self, wallet):
-        self.wallet = wallet
-        if self.is_enabled():
-            self.trustedcoin_button = StatusBarButton( QIcon(":icons/trustedcoin.png"), _("Network"), self.settings_dialog)
-            self.window.statusBar().addPermanentWidget(self.trustedcoin_button)
-            self.xpub = self.wallet.master_public_keys.get('x1/')
-            self.user_id = self.get_user_id()[1]
-            t = threading.Thread(target=self.request_billing_info)
-            t.setDaemon(True)
-            t.start()
+        self.trustedcoin_button = StatusBarButton( QIcon(":icons/trustedcoin.png"), _("Network"), self.settings_dialog)
+        self.window.statusBar().addPermanentWidget(self.trustedcoin_button)
+        self.xpub = self.wallet.master_public_keys.get('x1/')
+        self.user_id = self.get_user_id()[1]
+        t = threading.Thread(target=self.request_billing_info)
+        t.setDaemon(True)
+        t.start()
 
     @hook
     def close_wallet(self):