title: errors while committing the repository in sourcetree, Git window client
body: <p>I am new to bitbucket, git and sourcetree. i created a repository on bitbucket, then i installed the sourcetree client for win 7, then i clone that repository with my local desktop folder, then i placed a file in the local folder, now when i try to commit the changes, sourcetree give me following errors.</p>
  
  <blockquote>
    <p>git -c diff.mnemonicprefix=false -c core.quotepath=false commit -q -F C:\Users\shahjahan_khokher\AppData\Local\Temp\vrkvrvyu.uba</p>
    
    <p><em>*</em> Please tell me who you are.</p>
    
    <p>Run</p>
    
    <p>git config --global user.email "you@example.com"   git config
    --global user.name "Your Name"</p>
    
    <p>to set your account's default identity. Omit --global to set the
    identity only in this repository.</p>
    
    <p>fatal: unable to auto-detect email address (got
    'shahjahan_khokher@shahjahan_khokh.(none)')</p>
    
    <p>Completed with errors, see above.</p>
  </blockquote>
  
  <p>how can i resolve this issue and do a successful commit and push.</p>