[MIG] Make modules uninstallable

contract_discount/__openerp__.py

@@ -33,6 +33,6 @@
         'views/contract_view.xml',
     ],
     'test': ['test/contract_discount.yml'],
-    'installable': True,
+    'installable': False,
     'auto_install': False,
 }

contract_journal/__openerp__.py

@@ -33,6 +33,6 @@
         'views/contract_view.xml',
     ],
     'test': ['test/contract_journal.yml'],
-    'installable': True,
+    'installable': False,
     'auto_install': False,
 }

contract_show_invoice/__openerp__.py

@@ -33,6 +33,6 @@
     'test': [
         'test/contract_show_invoice_test.yml'
     ],
-    'installable': True,
+    'installable': False,
     'auto_install': False,
 }

contract_show_recurring_invoice/__openerp__.py

@@ -35,6 +35,6 @@
         'test/contract_show_recurring_invoice_test.yml'
     ],
     "post_init_hook": "copy_recurring_invoice",
-    'installable': True,
+    'installable': False,
     'auto_install': False,
 }