potential issue with `dotfiles.sh`

I am not sure if this is really an issue, only reporting this as it might be something worth looking at at some point, especially if others report similar behavior.

At the `source dotfiles.sh` step, an error occurs if there is no `.bash_profile` in linked to dotfiles. Not sure if this is intentional, whether it is a good practice to have the `.bash_profile`.

Also, despite there being a `.vimrc`, the following line either doesn't get run or doesn't do it's job:
`vim -T dumb -n -i NONE -es -S <(echo -e "silent! PluginInstall\nqall")`

The plugins are not installed and I need to execute `PluginInstall` manually.

Will try to take a closer look at this when I am building a new server.