* Update gradle wrapper version

* Commented local testing code that was mistakenly commited

Author: yallen011

build.gradle

@@ -4,11 +4,11 @@ plugins {
 }
 
 // Uncomment the following lines to work with a local copy of nexmo-java:
- configurations.all {
-    resolutionStrategy.dependencySubstitution {
-        substitute module("com.nexmo:client") with project(":client")
-    }
- }
+// configurations.all {
+//    resolutionStrategy.dependencySubstitution {
+//        substitute module("com.nexmo:client") with project(":client")
+//    }
+// }
 
 repositories {
     mavenCentral()
@@ -17,7 +17,7 @@ repositories {
 dependencies {
     testImplementation 'junit:junit:4.12'
 
-    implementation 'com.nexmo:client:5.2.0'
+    implementation 'com.nexmo:client:5.4.0'
     implementation 'com.sparkjava:spark-core:2.6.0'
     implementation 'javax.xml.bind:jaxb-api:2.3.0'
     implementation 'com.fasterxml.jackson.core:jackson-databind:2.9.9'

gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-all.zip

settings.gradle

@@ -1,4 +1,4 @@
 // Uncomment the following (and update the path if necessary)
 // to work with a local copy of nexmo-java:
-include ':client'
-project(':client').projectDir = new File(settingsDir, '../nexmo-java')
+//include ':client'
+//project(':client').projectDir = new File(settingsDir, '../nexmo-java')