[~] fix plugin pj

https://github.com/robbyrussell/oh-my-zsh/commit/bce74975d055529cbd186782e2fd99e6da840460
Switch back to oh-my-zsh.hide-dirty setting again

Commit 81004dfaba509ff62a13ba303ab941938d619326 reverted the change
in 9b811fb625c03c30a766191cdf65a1c7c1fd96b2 when editing the merge
conflict from #2928.

This commit fixes that so that we don't make the same mistake again.

First seen in http://git.io/Cdaj5Q
restore my own configurations instead of promptworks.
Update path to include a bin directory w/in the current directory
Change GIT_EDITOR to vim -vf
alias g to show the git diff
Move global gitconfig and gitignore into the dotfiles
Add gvimrc and psqlrc to dotfiles
Update RUBY ENV vars for 2.1, and set a cert file to try and work around some outdated cert issues
Created a pryrc
add Nikola config stuff
Added /usr/local/opt/go/libexec/bin to the path to access godoc