V0.3: Changes since v0.2.1
====
* You can now pass on command-line arguments just like you can with 'git log'
* The program has an icon
* Also displays remote branches in the branch list
* Is better in determining if a directory is a bare git repository
* Support for --left-right: use 'gitx --left-right HEAD..origin/master'
  to see which commits are only on your branch or on their branch
* Navigate through changed hunks by using j/k keys
* Scroll down in webview by using space / shift-space