Merge branch 'hotfix-1.1.1' into master

Author: thc202

build.gradle

@@ -10,7 +10,7 @@ allprojects {
     apply plugin: 'java'
     group = 'org.zaproxy'
 
-    version '1.1.0'
+    version '1.1.1'
     ext.versionBC = '1.0.0'
 
     repositories {

subprojects/zap-clientapi/src/main/java/org/zaproxy/clientapi/core/ClientApi.java

@@ -398,6 +398,13 @@ private HttpRequest buildZapRequest(
                 }
                 sb.append('&');
             }
+        } else if (apiKey != null && !apiKey.isEmpty()) {
+            // Send the API key even if there are no parameters,
+            // older ZAP versions might need it as (query) parameter.
+            sb.append('?');
+            sb.append(encodeQueryParam(ZAP_API_KEY_PARAM));
+            sb.append('=');
+            sb.append(encodeQueryParam(apiKey));
         }
 
         HttpRequest request = new HttpRequest(new URL(sb.toString()));