Added declarations for:

bool branchExistsRemotely();
    bool branchExistsLocally();
    bool gitPullNewBranches();

UpdatePTUDevCtrl/git/git_client.h

@@ -57,6 +57,10 @@ class GitClient : public QObject {
     static QString gitBlob(QString fileName);
     QString gitCommitForBlob(QString blob);
     bool gitIsFileTracked(QString file2name);
+
+    bool branchExistsRemotely();
+    bool branchExistsLocally();
+    bool gitPullNewBranches();
 };
 
 #endif // GIT_CLIENT_H_INCLUDED