Use jcenter instead of mavenCentral

jcenter has dependencies for gretty and repo.spring.io now requires
authentication to download new dependencies

build.gradle

@@ -8,10 +8,6 @@ allprojects {
 	apply plugin: 'checkstyle'
 	apply plugin: 'io.spring.javaformat'
 
-	repositories {
-		maven { url "https://repo.spring.io/libs-snapshot" }
-	}
-
 	dependencies {
 		checkstyle "io.spring.javaformat:spring-javaformat-checkstyle:0.0.25"
 	}

reactive/rsocket/hello-security/build.gradle

@@ -6,7 +6,7 @@ plugins {
 }
 
 repositories {
-	mavenCentral()
+	jcenter()
 	maven { url "https://repo.spring.io/snapshot" }
 }
 

reactive/webflux-fn/hello-security/build.gradle

@@ -6,7 +6,7 @@ plugins {
 }
 
 repositories {
-	mavenCentral()
+	jcenter()
 	maven { url "https://repo.spring.io/snapshot" }
 }
 

reactive/webflux-fn/hello/build.gradle

@@ -6,7 +6,7 @@ plugins {
 }
 
 repositories {
-	mavenCentral()
+	jcenter()
 	maven { url "https://repo.spring.io/snapshot" }
 }
 

reactive/webflux/java/authentication/username-password/form/build.gradle

@@ -6,7 +6,7 @@ plugins {
 }
 
 repositories {
-	mavenCentral()
+	jcenter()
 	maven { url "https://repo.spring.io/snapshot" }
 }
 

reactive/webflux/java/authentication/x509/build.gradle

@@ -6,7 +6,7 @@ plugins {
 }
 
 repositories {
-	mavenCentral()
+	jcenter()
 	maven { url "https://repo.spring.io/snapshot" }
 }
 

reactive/webflux/java/hello-security-explicit/build.gradle

@@ -6,7 +6,7 @@ plugins {
 }
 
 repositories {
-	mavenCentral()
+	jcenter()
 	maven { url "https://repo.spring.io/snapshot" }
 }
 

reactive/webflux/java/hello-security/build.gradle

@@ -6,7 +6,7 @@ plugins {
 }
 
 repositories {
-	mavenCentral()
+	jcenter()
 	maven { url "https://repo.spring.io/snapshot" }
 }
 

reactive/webflux/java/hello/build.gradle

@@ -6,7 +6,7 @@ plugins {
 }
 
 repositories {
-	mavenCentral()
+	jcenter()
 	maven { url "https://repo.spring.io/snapshot" }
 }
 

reactive/webflux/java/method/build.gradle

@@ -6,7 +6,7 @@ plugins {
 }
 
 repositories {
-	mavenCentral()
+	jcenter()
 	maven { url "https://repo.spring.io/snapshot" }
 }
 

reactive/webflux/java/oauth2/login/build.gradle

@@ -6,7 +6,7 @@ plugins {
 }
 
 repositories {
-	mavenCentral()
+	jcenter()
 	maven { url "https://repo.spring.io/snapshot" }
 }
 

reactive/webflux/java/oauth2/resource-server/build.gradle

@@ -6,7 +6,7 @@ plugins {
 }
 
 repositories {
-	mavenCentral()
+	jcenter()
 	maven { url "https://repo.spring.io/snapshot" }
 }
 

reactive/webflux/java/oauth2/webclient/build.gradle

@@ -6,7 +6,7 @@ plugins {
 }
 
 repositories {
-	mavenCentral()
+	jcenter()
 	maven { url "https://repo.spring.io/snapshot" }
 }
 

servlet/java-configuration/aspectj/build.gradle

@@ -4,7 +4,7 @@ plugins {
 }
 
 repositories {
-	mavenCentral()
+	jcenter()
 	maven { url "https://repo.spring.io/libs-snapshot" }
 }
 

servlet/java-configuration/authentication/username-password/form/build.gradle

@@ -8,7 +8,7 @@ plugins {
 apply from: "gradle/gretty.gradle"
 
 repositories {
-	mavenCentral()
+	jcenter()
 	maven { url "https://repo.spring.io/libs-snapshot" }
 }
 

servlet/java-configuration/authentication/username-password/in-memory/build.gradle

@@ -8,7 +8,7 @@ plugins {
 apply from: "gradle/gretty.gradle"
 
 repositories {
-	mavenCentral()
+	jcenter()
 	maven { url "https://repo.spring.io/libs-snapshot" }
 }
 

servlet/java-configuration/authentication/username-password/jdbc/build.gradle

@@ -8,7 +8,7 @@ plugins {
 apply from: "gradle/gretty.gradle"
 
 repositories {
-	mavenCentral()
+	jcenter()
 	maven { url "https://repo.spring.io/libs-snapshot" }
 }
 

servlet/java-configuration/authentication/username-password/ldap/build.gradle

@@ -8,7 +8,7 @@ plugins {
 apply from: "gradle/gretty.gradle"
 
 repositories {
-	mavenCentral()
+	jcenter()
 	maven { url "https://repo.spring.io/libs-snapshot" }
 }
 

servlet/java-configuration/data/build.gradle

@@ -5,7 +5,7 @@ plugins {
 }
 
 repositories {
-	mavenCentral()
+	jcenter()
 	maven { url "https://repo.spring.io/libs-snapshot" }
 }
 

servlet/java-configuration/hello-mvc-security/build.gradle

@@ -8,7 +8,7 @@ plugins {
 apply from: "gradle/gretty.gradle"
 
 repositories {
-	mavenCentral()
+	jcenter()
 	maven { url "https://repo.spring.io/libs-snapshot" }
 }
 

servlet/java-configuration/hello-security-explicit/build.gradle

@@ -8,7 +8,7 @@ plugins {
 apply from: "gradle/gretty.gradle"
 
 repositories {
-	mavenCentral()
+	jcenter()
 	maven { url "https://repo.spring.io/libs-snapshot" }
 }
 

servlet/java-configuration/hello-security/build.gradle

@@ -8,7 +8,7 @@ plugins {
 apply from: "gradle/gretty.gradle"
 
 repositories {
-	mavenCentral()
+	jcenter()
 	maven { url "https://repo.spring.io/libs-snapshot" }
 }
 

servlet/java-configuration/max-sessions/build.gradle

@@ -8,7 +8,7 @@ plugins {
 apply from: "gradle/gretty.gradle"
 
 repositories {
-	mavenCentral()
+	jcenter()
 	maven { url "https://repo.spring.io/libs-snapshot" }
 }
 

servlet/java-configuration/remember-me/build.gradle

@@ -8,7 +8,7 @@ plugins {
 apply from: "gradle/gretty.gradle"
 
 repositories {
-	mavenCentral()
+	jcenter()
 	maven { url "https://repo.spring.io/libs-snapshot" }
 }
 

servlet/spring-boot/java/hello-security-explicit/build.gradle

@@ -6,7 +6,7 @@ plugins {
 }
 
 repositories {
-	mavenCentral()
+	jcenter()
 	maven { url "https://repo.spring.io/snapshot" }
 }
 

servlet/spring-boot/java/hello-security/build.gradle

@@ -6,7 +6,7 @@ plugins {
 }
 
 repositories {
-	mavenCentral()
+	jcenter()
 	maven { url "https://repo.spring.io/snapshot" }
 }
 

servlet/spring-boot/java/hello/build.gradle

@@ -6,7 +6,7 @@ plugins {
 }
 
 repositories {
-	mavenCentral()
+	jcenter()
 	maven { url "https://repo.spring.io/snapshot" }
 }
 

servlet/spring-boot/java/jwt/login/build.gradle

@@ -5,7 +5,7 @@ plugins {
 }
 
 repositories {
-	mavenCentral()
+	jcenter()
 	maven { url "https://repo.spring.io/snapshot" }
 }
 

servlet/spring-boot/java/oauth2/login/build.gradle

@@ -6,7 +6,7 @@ plugins {
 }
 
 repositories {
-	mavenCentral()
+	jcenter()
 	maven { url "https://repo.spring.io/snapshot" }
 }
 

servlet/spring-boot/java/oauth2/resource-server/hello-security/build.gradle

@@ -6,7 +6,7 @@ plugins {
 }
 
 repositories {
-	mavenCentral()
+	jcenter()
 	maven { url "https://repo.spring.io/snapshot" }
 }
 

servlet/spring-boot/java/oauth2/resource-server/jwe/build.gradle

@@ -22,7 +22,7 @@ plugins {
 }
 
 repositories {
-	mavenCentral()
+	jcenter()
 	maven { url "https://repo.spring.io/snapshot" }
 }
 

servlet/spring-boot/java/oauth2/resource-server/multi-tenancy/build.gradle

@@ -22,7 +22,7 @@ plugins {
 }
 
 repositories {
-	mavenCentral()
+	jcenter()
 	maven { url "https://repo.spring.io/snapshot" }
 }
 

servlet/spring-boot/java/oauth2/resource-server/opaque/build.gradle

@@ -22,7 +22,7 @@ plugins {
 }
 
 repositories {
-	mavenCentral()
+	jcenter()
 	maven { url "https://repo.spring.io/snapshot" }
 }
 

servlet/spring-boot/java/oauth2/resource-server/static/build.gradle

@@ -22,7 +22,7 @@ plugins {
 }
 
 repositories {
-	mavenCentral()
+	jcenter()
 	maven { url "https://repo.spring.io/snapshot" }
 }
 

servlet/spring-boot/java/oauth2/webclient/build.gradle

@@ -22,7 +22,7 @@ plugins {
 }
 
 repositories {
-	mavenCentral()
+	jcenter()
 	maven { url "https://repo.spring.io/snapshot" }
 }
 

servlet/spring-boot/java/saml2-login/build.gradle

@@ -6,7 +6,7 @@ plugins {
 }
 
 repositories {
-	mavenCentral()
+	jcenter()
 	maven { url "https://repo.spring.io/snapshot" }
 }