Addresses warnings during compile for Gradle 6.5.1 (fixes #280 and ot…

…her new warnings that appeared).

build.gradle

@@ -12,13 +12,13 @@ repositories {
 }
 
 dependencies {
- compile "org.apache.commons:commons-csv:1.8"
- compile "org.apache.poi:poi-ooxml:4.1.2"
- compile "com.fasterxml.jackson.core:jackson-core:2.11.1"
- compile "com.fasterxml.jackson.core:jackson-annotations:2.11.1"
- compile "com.fasterxml.jackson.core:jackson-databind:2.11.1"
- testCompile "org.junit.jupiter:junit-jupiter-api:5.6.2"
- testRuntime "org.junit.jupiter:junit-jupiter-engine:5.6.2"
+ implementation "org.apache.commons:commons-csv:1.8"
+ implementation "org.apache.poi:poi-ooxml:4.1.2"
+ implementation "com.fasterxml.jackson.core:jackson-core:2.11.1"
+ implementation "com.fasterxml.jackson.core:jackson-annotations:2.11.1"
+ implementation "com.fasterxml.jackson.core:jackson-databind:2.11.1"
+ testImplementation "org.junit.jupiter:junit-jupiter-api:5.6.2"
+ testRuntimeOnly "org.junit.jupiter:junit-jupiter-engine:5.6.2"
 }
 
 // ### Application plugin settings
@@ -38,7 +38,7 @@ checkstyle {
  // Keep the below file updated along with subsequent versions of Checkstyle (make sure to choose
  // the tag matching the toolVersion above):
  // https:/checkstyle/checkstyle/blob/checkstyle-8.34/src/main/resources/google_checks.xml
- configFile = file("${configDir}/google_checks.xml")
+ configFile = file("${configDirectory}/google_checks.xml")
 }
 
 // ### Idea plugin settings