Fixed CI/tutorial warnings

Author: Mark-Orban

estate/__manifest__.py

@@ -1,9 +1,11 @@
 {
     'name': 'Real Estate',
+    'author': 'Odoo S.A.',
     'depends': [
         'base',
     ],
     'application': True,
+    'license': 'LGPL-3',
     'data': [
         'views/estate_property_offer_views.xml',
         'security/ir.model.access.csv',

estate/views/estate_property_offer_views.xml

@@ -27,8 +27,8 @@
                 <field name="partner_id" string="Partner"/>
                 <field name="validity"/>
                 <field name="date_deadline"/>
-                <button name="action_status_accepted" type="object" icon="fa-check" invisible="status"/>
-                <button name="action_status_refused" type="object" icon="fa-close" invisible="status"/>
+                <button name="action_status_accepted" type="object" icon="fa-check" invisible="status" aria-label="Accept Offer"/>
+                <button name="action_status_refused" type="object" icon="fa-close" invisible="status" aria-label="Decline Offer"/>
             </list>
         </field>
     </record>

estate_account/__manifest__.py

@@ -1,9 +1,11 @@
 {
     'name': 'Estate Account',
+    'author': 'Odoo S.A.',
     'depends': [
         'estate',
         'account',
     ],
     'application': True,
+    'license': 'LGPL-3',
     'data': []
 }