fix the histread alias so it actually reads

git-svn-id: https://svn.sixfeetup.com/svn/private/claytron/dotfiles/trunk@44715 7abc7aa1-7e52-db11-9331-00508bd72530
interface tweaks unused with new add-on bar

git-svn-id: https://svn.sixfeetup.com/svn/private/claytron/dotfiles/trunk@44716 7abc7aa1-7e52-db11-9331-00508bd72530
ability to set the T_BUILD for my teamocil setup

git-svn-id: https://svn.sixfeetup.com/svn/private/claytron/dotfiles/trunk@44717 7abc7aa1-7e52-db11-9331-00508bd72530