title: Jenkinsfile not found
body: <p>I'm just starting out with Jenkins, and can't seem to get it to work. I created a text file called 'Jenkinsfile' in the root directory of my repository, but when I try to buil I'm getting the error "‘Jenkinsfile’ not found Does not meet criteria". This is the full Jenkins output:</p>
  
  <pre><code>Started by user Joshua Fishman [Thu Jul 20 11:44:10 EDT 2017]
  Starting  branch indexing...
  git.exe rev-parse --is-inside-work-tree # timeout=10 Setting origin to C:\Users\JoshuaF\git\&lt;some_repo&gt;
  git.exe config remote.origin.url C:\Users\JoshuaF\git\&lt;some_repo&gt;# timeout=10 Fetching origin...
  Fetching upstream changes from origin
  git.exe --version #timeout=10
  git.exe fetch --tags --progress origin
  +refs/heads/*:refs/remotes/origin/*
  git.exe ls-remote --symref C:\Users\JoshuaF\git\&lt;some_repo&gt; # timeout=10    
  git.exe rev-parse --is-inside-work-tree # timeout=10 Setting origin to C:\Users\JoshuaF\git\&lt;some_repo&gt;    
  git.exe config remote.origin.url C:\Users\JoshuaF\git\&lt;some_repo&gt;# timeout=10 
  Fetching &amp; pruning origin...  
  Fetching upstream changes from origin   
  git.exe --version # timeout=10    
  git.exe fetch --tags --progress origin +refs/heads/*:refs/remotes/origin/* --prune  
  Getting remote branches... 
  Seen branch in repository origin/master  
  Seen 1 remote branch
  
  Checking branch master
        'Jenkinsfile' not found
      Does not meet criteria 
  Processed 1 branches [Thu Jul 20 11:44:11 EDT 2017]
  Finished branch indexing. Indexing took 0.68 sec
  Finished: SUCCESS
  </code></pre>
  
  <p>and this is my repository:<a href="https://i.stack.imgur.com/GwODw.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/GwODw.png" alt="repository"></a></p>
  
  <p>Totally new to this, so I appreciate any help.</p>