Merge pull request #501 from naver/feature/bump-up-maven-wrapper

Bump up maven wrapper to 3.6.3

Reviewed by : geunwoo

.mvn/wrapper/maven-wrapper.properties

@@ -1 +1 @@
-distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.3.3/apache-maven-3.3.3-bin.zip
+distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.6.3/apache-maven-3.6.3-bin.zip

pom.xml

@@ -30,15 +30,10 @@
 		<url>https://naver.github.io/ngrinder</url>
 	</organization>
 	<repositories>
-		<repository>
-			<id>maven-repo</id>
-			<name>Official Repository</name>
-			<url>http://repo1.maven.org/maven2</url>
-		</repository>
 		<repository>
 			<id>springsource-repo</id>
 			<name>SpringSource Repository</name>
-			<url>http://repo.springsource.org/release</url>
+			<url>https://repo.springsource.org/release</url>
 		</repository>
 		<repository>
 			<id>repository.jboss.org-public</id>
@@ -52,7 +47,7 @@
 		<repository>
 			<id>scm-manager.repo</id>
 			<name>scm-manager.repo</name>
-			<url>http://maven.scm-manager.org/nexus/content/repositories/releases</url>
+			<url>https://maven.scm-manager.org/nexus/content/repositories/releases</url>
 		</repository>
 	</repositories>