title: Git - How to retrieve all new commits from master to my branch
body: <p>I have a master, from which I created another branch, and did some commits on this new branch.
  Meanwhile some other work/commits has also been happening in master at thesame time.</p>
  
  <p>So, I now want to get all the latest updates (commits) that has happened in master into my branch. How do i go about this?</p>