Cleaned up formatting of ps1.sh and removed some unnecessary stuff. Rename term tab titles.
Cleaned up ps1.sh reformatted and fixed comments.
Figured out issues with long commands not wrapping in prompt and
characters staying in prompt. Both due to prompt counting non-printable
bytes toward prompt length. See:
http://askubuntu.com/questions/24358/how-do-i-get-long-command-lines-to-wrap-to-the-next-line