Merge pull request #106 from wpieters/patch-1

Fix `null/null` repository URL - 
Bitbucket has changed their API recently and this change caused triggering thousands of builds

src/main/java/bitbucketpullrequestbuilder/bitbucketpullrequestbuilder/bitbucket/Pullrequest.java

@@ -114,7 +114,7 @@ public String getFullName() {
         @JsonProperty("full_name")
         public void setFullName(String fullName) {
             // Also extract owner- and reponame
-            if (name != null) {
+            if (fullName != null) {
                 this.ownerName = fullName.split("/")[0];
                 this.repositoryName = fullName.split("/")[1];
             }