Minor mods to protected branch functionality.

Author: gmessner

src/main/java/org/gitlab4j/api/ProtectedBranchesApi.java

@@ -9,6 +9,7 @@
 import java.util.List;
 
 public class ProtectedBranchesApi extends AbstractApi {
+
     public ProtectedBranchesApi(GitLabApi gitLabApi) {
         super(gitLabApi);
     }

src/main/java/org/gitlab4j/api/RepositoryApi.java

@@ -15,7 +15,6 @@
 import javax.ws.rs.core.Response;
 
 import org.gitlab4j.api.GitLabApi.ApiVersion;
-import org.gitlab4j.api.models.AccessLevel;
 import org.gitlab4j.api.models.Branch;
 import org.gitlab4j.api.models.CompareResults;
 import org.gitlab4j.api.models.Tag;

src/main/java/org/gitlab4j/api/models/BranchAccessLevelDetail.java renamed to src/main/java/org/gitlab4j/api/models/BranchAccessLevel.java

@@ -6,15 +6,16 @@
 
 @XmlRootElement
 @XmlAccessorType(XmlAccessType.FIELD)
-public class BranchAccessLevelDetail {
-    private String accessLevel;
+public class BranchAccessLevel {
+
+    private AccessLevel accessLevel;
     private String accessLevelDescription;
 
-    public String getAccessLevel() {
+    public AccessLevel getAccessLevel() {
         return this.accessLevel;
     }
 
-    public void setAccessLevel(String accessLevel) {
+    public void setAccessLevel(AccessLevel accessLevel) {
         this.accessLevel = accessLevel;
     }
 

src/main/java/org/gitlab4j/api/models/ProtectedBranch.java

@@ -9,9 +9,10 @@
 @XmlRootElement
 @XmlAccessorType(XmlAccessType.FIELD)
 public class ProtectedBranch {
+
     private String name;
-    private List<BranchAccessLevelDetail> pushAccessLevels;
-    private List<BranchAccessLevelDetail> mergeAccessLevels;
+    private List<BranchAccessLevel> pushAccessLevels;
+    private List<BranchAccessLevel> mergeAccessLevels;
 
     public String getName() {
         return this.name;
@@ -21,19 +22,19 @@ public void setName(String name) {
         this.name = name;
     }
 
-    public List<BranchAccessLevelDetail> getPushAccessLevels() {
+    public List<BranchAccessLevel> getPushAccessLevels() {
         return this.pushAccessLevels;
     }
 
-    public void setPushAccessLevels(List<BranchAccessLevelDetail> pushAccessLevels) {
+    public void setPushAccessLevels(List<BranchAccessLevel> pushAccessLevels) {
         this.pushAccessLevels = pushAccessLevels;
     }
 
-    public List<BranchAccessLevelDetail> getMergeAccessLevels() {
+    public List<BranchAccessLevel> getMergeAccessLevels() {
         return this.mergeAccessLevels;
     }
 
-    public void setMergeAccessLevels(List<BranchAccessLevelDetail> mergeAccessLevels) {
+    public void setMergeAccessLevels(List<BranchAccessLevel> mergeAccessLevels) {
         this.mergeAccessLevels = mergeAccessLevels;
     }