git repository viewer

 gitg is a fast git repository browser.
 It currently features:
 .
  * Loading large repositories very fast
  * Show/browse repository history
  * Show highlighted revision diff
  * Browse file tree of a revision and export by drag and drop
  * Search in the revision history on subject, author or hash
  * Switch between history view of branches easily
  * Commit view providing per hunk stage/unstage and commit