title: git fetch branches with specified prefix
body: <p>I have following branches in remote origin.</p>
  
  <pre><code>ft_d_feature_abc
  ft_d_feature_xyz
  ft_d_feature_lam
  ft_d_feature_ton
  ft_m_feature_mak
  ft_m_feature_echo
  ft_m_feature_laa
  ft_m_feature_pol
  </code></pre>
  
  <p>I want to fetch branches which are starting with <code>ft_d</code>. How can I achieve this with <code>git fetch</code>?
  My Git version is 1.7.9.5.</p>