partial fix to coding style suggestions for vim settings

[Miika Turkia]

> On 10 Mar 2014, at 13:02, Lakshman <acrlakshman at gmail.com> wrote:
> 
> This is my mistake, instead of using one tab character as per the mail
> by Thiago just now, I was using 4 spaces. I saw the commit messages in
> git log and wrongly perceived the spaces in them. I will make sure to
> use 1 tab character from next time.

no need to indent the commit message. git will do that for you.

miika