I could create a message during an interactive editor session. This
gives me an opportunity to compose a complete and detailed log message
in my favorite editor.

To configure Git to open your favorite editor during a git commit. Just set the GIT_EDITOR environment variable.
in bash:
$ export GIT_EDITOR=vim
Merge branch 'master' of https://github.com/RSS2013/bitstarter into development
I just motified the index.html, which includes changing the navbar
background color and navbar text color. I also changed the thubnial of
the homepage.The css class changed in stylesheet.css