Zsh: Changed box characters

Changed the box characters to be more friendly to the mac environment
and removed linux specific files from the repo.
Zsh: Changed box characters

Changed the box characters to be more friendly to the mac environment
and removed linux specific files from the repo.
Merge branch 'mac' of github.com:jimgiven/myconfig into mac

Pulling from github
Merge pull request #1 from jimgiven/mac

Mac