Upgrade to a version of Powermock that’s compatible with JUnit 4.12

gradle/javaprojects.gradle

@@ -28,7 +28,7 @@ ext.jettyVersion = '6.1.26'
 ext.jstlVersion = '1.2.1'
 ext.junitVersion = '4.11'
 ext.logbackVersion = '1.1.2'
-ext.powerMockVersion = '1.6.0'
+ext.powerMockVersion = '1.6.2'
 ext.seleniumVersion = '2.44.0'
 ext.servletApiVersion = '3.0.1'
 ext.slf4jVersion = '1.7.7'
@@ -149,7 +149,7 @@ dependencies {
 	optional "commons-logging:commons-logging:$commonsLoggingVersion"
 
 	testCompile "junit:junit:$junitVersion",
-			'org.mockito:mockito-core:1.9.5',
+			'org.mockito:mockito-core:1.10.19',
 			"org.springframework:spring-test:$springVersion",
 			'org.easytesting:fest-assert:1.4'