Kick Ass git prompt with status colors

modified: config/git-prompt.sh

Modified line 410:50 - Adds a yellow circle (●) to the PS1 for unstaged changes
FROM: w="*"
TO:   w="\[\033[33m\]●"

Modified line 412:48 - Adds a green circle (●) to the PS1 for staged changes
FROM: i="+"
TO:   i="\[\033[32m\]●"

Modified line 426:4 - Adds a red circle (●) to the PS1 for untracked changes
FROM: u="%${ZSH_VERSION+%}"
TO:   u="\[\033[31m\]●\[\033[0m\]${ZSH_VERSION+%}"