Merge pull request #1 from jimgiven/mac

Mac
Revert "Mac"
Merge pull request #2 from jimgiven/revert-1-mac

Revert "Mac"
Vim: Highlight trailing whitespace and ts=8

Highlight traling whitspace
ts=8 and no tab expand
show tabs as >-
Zsh: Changed box characters

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