fix:PI Mutation plugin update (#54)

Author: abhijitdiwan

build.gradle

@@ -12,7 +12,7 @@ plugins {
     id 'jacoco'
     id 'pmd'
     id 'com.github.ben-manes.versions' version '0.27.0'
-    id "info.solidsoft.pitest" version '1.3.0'
+    id "info.solidsoft.pitest" version '1.5.1'
     id 'io.spring.dependency-management' version '1.0.9.RELEASE'
     id 'org.owasp.dependencycheck' version '5.3.0'
     id 'org.sonarqube' version '2.8'
@@ -29,8 +29,6 @@ apply plugin: 'idea'
 
 def versions = [
         lombok             : '1.18.6',
-        gradlePitest       : '1.3.0',
-        pitest             : '1.4.2',
         reformHealthStarter: '0.0.5',
         reformLogging      : '5.1.0',
         reformS2sClient    : '3.1.2',
@@ -164,8 +162,8 @@ pitest {
     ]
     threads = 10
     enableDefaultIncrementalAnalysis = true
-    historyInputLocation = ['build/reports/pitest/fastermutationtesting']
-    historyOutputLocation = ['build/reports/pitest/fastermutationtestingoutput']
+    historyInputLocation = 'build/reports/pitest/fastermutationtesting'
+    historyOutputLocation = 'build/reports/pitest/fastermutationtestingoutput'
     outputFormats = ['XML', 'HTML']
     timestampedReports = true
     mutationThreshold = 90
@@ -234,9 +232,6 @@ dependencies {
     compile group: 'com.github.ben-manes.caffeine', name: 'caffeine', version: '2.5.6'
     compile group: 'com.fasterxml.jackson.core', name: 'jackson-core', version: '2.10.2'
     compile group: 'com.fasterxml.jackson.datatype', name: 'jackson-datatype-jsr310', version: '2.10.2'
-    compile group: 'io.github.openfeign.form', name: 'feign-form', version: '3.8.0'
-    compile group: 'io.github.openfeign.form', name: 'feign-form-spring', version: '3.8.0'
-
 
     compile group: 'com.sun.xml.bind', name: 'jaxb-osgi', version: '2.3.3'
 
@@ -271,8 +266,6 @@ dependencies {
     testCompile group: 'org.powermock', name: 'powermock-api-mockito2', version: '2.0.4'
     testCompile group: 'org.springframework.boot', name: 'spring-boot-starter-test', version: versions.springBoot
 
-    testCompile group: 'org.pitest', name: 'pitest', version: versions.pitest
-    testCompile 'info.solidsoft.gradle.pitest:gradle-pitest-plugin:1.3.0'
     testCompile 'org.codehaus.sonar-plugins:sonar-pitest-plugin:0.5'
 
     testCompile (group: 'net.serenity-bdd', name: 'serenity-core', version: versions.serenity)