added minimal access 5level for git 13.x onwards

.travis.yml

@@ -5,6 +5,10 @@ services:
 jdk:
 - openjdk8
 install:
-- ./mvnw -B -q -Pdocker-gitlab dependency:go-offline verify -DskipTests -Ddocker.skip
+- export GNUPGHOME="$(mktemp -d)"
+- eval $(gpg-agent --daemon)
+- gpg --batch --gen-key gpg.key
+-  gpg --list-keys
+- ./mvnw  -Pdocker-gitlab dependency:go-offline verify -DskipTests -Ddocker.skip -Dgpg.passphrase=abc
 script:
-- ./mvnw -B -V -Pdocker-gitlab verify
+- ./mvnw  -V -Pdocker-gitlab verify -Darguments=-Dgpg.passphrase=abc

gpg.key

@@ -0,0 +1,9 @@
+     Key-Type: DSA
+     Key-Length: 1024
+     Subkey-Type: ELG-E
+     Subkey-Length: 1024
+     Name-Real: Joe Tester
+     Name-Comment: with regular passphrase
+     Name-Email: [email protected]
+     Expire-Date: 0
+     Passphrase: abc

pom.xml

@@ -222,26 +222,21 @@
 					</execution>
 				</executions>
 			</plugin>
-			<plugin>
-				<groupId>org.apache.maven.plugins</groupId>
-				<artifactId>maven-gpg-plugin</artifactId>
-				<version>1.6</version>
-				<executions>
-					<execution>
-						<id>sign-artifacts</id>
-						<phase>verify</phase>
-						<goals>
-							<goal>sign</goal>
-						</goals>
-						<configuration>
-							<gpgArguments>
-								<arg>--pinentry-mode</arg>
-								<arg>loopback</arg>
-							</gpgArguments>
-						</configuration>
-					</execution>
-				</executions>
-			</plugin>
+    <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-gpg-plugin</artifactId>
+        <version>3.0.1</version>
+        <executions>
+          <execution>
+            <id>sign-artifacts</id>
+            <phase>verify</phase>
+            <goals>
+              <goal>sign</goal>
+            </goals>
+
+          </execution>
+        </executions>
+      </plugin>
 		</plugins>
 	</build>
 	<profiles>

src/main/java/org/gitlab/api/models/GitlabAccessLevel.java

@@ -1,12 +1,13 @@
 package org.gitlab.api.models;
 
 import com.fasterxml.jackson.annotation.JsonCreator;
-
+// added MinimalAccess level 5 - for git 13.x and beyond 
 public enum GitlabAccessLevel {
     Guest(10),
     Reporter(20),
     Developer(30),
     Master(40),
+    MinimalAccess(5),
     Owner(50);
 
     public final int accessValue;