DATAJDBC-522 - Polishing.

Removed e-mail from author tag.
Removed spaces from references to methods in KDoc.
Removed superfluous comment.
Corrected copyright date.

Original pull request: #240.

spring-data-relational/pom.xml

@@ -71,7 +71,6 @@
 			<scope>test</scope>
 		</dependency>
 
-		<!-- DATAJDBC-522: Add Kotlin extensions for Criteria -->
 		<dependency>
 			<groupId>org.jetbrains.kotlin</groupId>
 			<artifactId>kotlin-stdlib</artifactId>

spring-data-relational/src/main/kotlin/org/springframework/data/relational/core/query/CriteriaStepExtensions.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2019-2020 the original author or authors.
+ * Copyright 2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -19,16 +19,18 @@ package org.springframework.data.relational.core.query
  * Extension for [Criteria.CriteriaStep.is] providing a
  * `isEquals(value)` variant.
  *
- * @author Juan Medina<jamedina@gmail.com>
+ * @author Juan Medina
+ * @since 2.1
  */
-infix fun Criteria.CriteriaStep.isEquals(value: Any): Criteria =
+infix fun Criteria.CriteriaStep.isEqual(value: Any): Criteria =
         `is`(value)
 
 /**
  * Extension for [Criteria.CriteriaStep.in] providing a
  * `isIn(value)` variant.
  *
- * @author Juan Medina<jamedina@gmail.com>
+ * @author Juan Medina
+ * @since 2.1
  */
 fun Criteria.CriteriaStep.isIn(vararg value: Any): Criteria =
         `in`(value)
@@ -37,7 +39,8 @@ fun Criteria.CriteriaStep.isIn(vararg value: Any): Criteria =
  * Extension for [Criteria.CriteriaStep.in] providing a
  * `isIn(value)` variant.
  *
- * @author Juan Medina<jamedina@gmail.com>
+ * @author Juan Medina
+ * @since 2.1
  */
 fun Criteria.CriteriaStep.isIn(values: Collection<Any>): Criteria =
         `in`(values)

spring-data-relational/src/test/kotlin/org/springframework/data/relational/core/query/CriteriaStepExtensionsTests.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2019 the original author or authors.
+ * Copyright 2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -24,7 +24,7 @@ import org.junit.Test
 /**
  * Unit tests for [Criteria.CriteriaStep] extensions.
  *
- * @author Juan Medina<jamedina@gmail.com>
+ * @author Juan Medina
  */
 class CriteriaStepExtensionsTests {
 
@@ -36,7 +36,7 @@ class CriteriaStepExtensionsTests {
 
         every { spec.`is`("test") } returns criteria
 
-        assertThat(spec isEquals "test").isEqualTo(criteria)
+        assertThat(spec isEqual "test").isEqualTo(criteria)
 
         verify {
             spec.`is`("test")