Allow s3 backend to accept self-signed certs

Fixes #316

webadmin/src/views/settings.html

@@ -152,6 +152,14 @@
                             <input type="text" class="form-control" ng-model="configureBackup.endpoint" id="inputConfigureBackupEndpoint" name="endpoint" ng-disabled="configureBackup.busy" placeholder="URL of Minio/S3 Compatible" ng-required="configureBackup.provider === 'minio' || configureBackup.provider === 's3-v4-compat'">
                         </div>
 
+                        <div class="checkbox" ng-show="configureBackup.provider === 'minio' || configureBackup.provider === 's3-v4-compat'" >
+                            <label>
+                                <input type="checkbox" ng-model="configureBackup.acceptSelfSignedCerts" id="inputConfigureBackupSelfSigned">
+                                    Accept Self-signed certificate
+                                </input>
+                            </label>
+                        </div>
+
                         <div class="form-group" ng-class="{ 'has-error': configureBackup.error.bucket }" ng-show="s3like(configureBackup.provider)">
                             <label class="control-label" for="inputConfigureBackupBucket">Bucket name</label>
                             <input type="text" class="form-control" ng-model="configureBackup.bucket" id="inputConfigureBackupBucket" name="bucket" ng-disabled="configureBackup.busy" ng-required="s3like(configureBackup.provider)">