Add ability to match many domains for credentials

Instead of fetching one domain, we use the same method as in site config (to retrieve the matching file) and handle api.example.org, example.org, .org (yes the last one isn’t useful).
If one of these match, we got it and use it.

src/Wallabag/CoreBundle/Resources/translations/messages.da.yml

@@ -550,7 +550,7 @@ site_credential:
     #     create_new_one: Create a new credential
     # form:
     #     username_label: 'Username'
-    #     host_label: 'Host'
+    #     host_label: 'Host (subdomain.example.org, .example.org, etc.)'
     #     password_label: 'Password'
     #     save: Save
     #     delete: Delete

src/Wallabag/CoreBundle/Resources/translations/messages.de.yml

@@ -550,7 +550,7 @@ site_credential:
         create_new_one: 'Einen neuen Seitenzugang anlegen'
     form:
         username_label: 'Benutzername'
-        host_label: 'Host'
+        host_label: 'Host (subdomain.example.org, .example.org, etc.)'
         password_label: 'Passwort'
         save: 'Speichern'
         delete: 'Löschen'

src/Wallabag/CoreBundle/Resources/translations/messages.en.yml

@@ -550,7 +550,7 @@ site_credential:
         create_new_one: Create a new credential
     form:
         username_label: 'Username'
-        host_label: 'Host'
+        host_label: 'Host (subdomain.example.org, .example.org, etc.)'
         password_label: 'Password'
         save: Save
         delete: Delete

src/Wallabag/CoreBundle/Resources/translations/messages.es.yml

@@ -550,7 +550,7 @@ site_credential:
     #     create_new_one: Create a new credential
     # form:
     #     username_label: 'Username'
-    #     host_label: 'Host'
+    #     host_label: 'Host (subdomain.example.org, .example.org, etc.)'
     #     password_label: 'Password'
     #     save: Save
     #     delete: Delete

src/Wallabag/CoreBundle/Resources/translations/messages.fa.yml

@@ -550,7 +550,7 @@ site_credential:
     #     create_new_one: Create a new credential
     # form:
     #     username_label: 'Username'
-    #     host_label: 'Host'
+    #     host_label: 'Host (subdomain.example.org, .example.org, etc.)'
     #     password_label: 'Password'
     #     save: Save
     #     delete: Delete

src/Wallabag/CoreBundle/Resources/translations/messages.fr.yml

@@ -550,7 +550,7 @@ site_credential:
         create_new_one: Créer un nouvel accès à un site
     form:
         username_label: 'Identifiant'
-        host_label: 'Domaine'
+        host_label: 'Domaine (subdomain.example.org, .example.org, etc.)'
         password_label: 'Mot de passe'
         save: "Sauvegarder"
         delete: "Supprimer"

src/Wallabag/CoreBundle/Resources/translations/messages.it.yml

@@ -550,7 +550,7 @@ site_credential:
     #     create_new_one: Create a new credential
     # form:
     #     username_label: 'Username'
-    #     host_label: 'Host'
+    #     host_label: 'Host (subdomain.example.org, .example.org, etc.)'
     #     password_label: 'Password'
     #     save: Save
     #     delete: Delete

src/Wallabag/CoreBundle/Resources/translations/messages.oc.yml

@@ -550,7 +550,7 @@ site_credential:
          create_new_one: Crear un novèl identificant
     form:
         username_label: "Nom d'utilizaire"
-        host_label: 'Òste'
+        host_label: 'Òste (subdomain.example.org, .example.org, etc.)'
         password_label: 'Senhal'
         save: 'Enregistrar'
         delete: 'Suprimir'

src/Wallabag/CoreBundle/Resources/translations/messages.pl.yml

@@ -550,7 +550,7 @@ site_credential:
         create_new_one: Stwórz nowe poświadczenie
     form:
         username_label: 'Nazwa użytkownika'
-        host_label: 'Host'
+        host_label: 'Host (subdomain.example.org, .example.org, etc.)'
         password_label: 'Hasło'
         save: Zapisz
         delete: Usuń

src/Wallabag/CoreBundle/Resources/translations/messages.pt.yml

@@ -550,7 +550,7 @@ site_credential:
         # create_new_one: Create a new credential
     form:
         # username_label: 'Username'
-        # host_label: 'Host'
+        # host_label: 'Host (subdomain.example.org, .example.org, etc.)'
         # password_label: 'Password'
         save: 'Salvar'
         delete: 'Apagar'

src/Wallabag/CoreBundle/Resources/translations/messages.ro.yml

@@ -550,7 +550,7 @@ site_credential:
     #     create_new_one: Create a new credential
     # form:
     #     username_label: 'Username'
-    #     host_label: 'Host'
+    #     host_label: 'Host (subdomain.example.org, .example.org, etc.)'
     #     password_label: 'Password'
     #     save: Save
     #     delete: Delete

src/Wallabag/CoreBundle/Resources/translations/messages.th.yml

@@ -548,7 +548,7 @@ site_credential:
         create_new_one: สร้างข้อมูลส่วนตัวใหม่
     form:
         username_label: 'ชื่อผู้ใช้'
-        host_label: 'โฮส'
+        host_label: 'โฮส (subdomain.example.org, .example.org, etc.)'
         password_label: 'รหัสผ่าน'
         save: บันทึก
         delete: ลบ