sorin-ionescu/prezto — pull request #457 by simeonwillbanks (2013-07-13 01:58:57+00:00)
Title: [Fix #456] Allow end user to customize Prezto and ZSH

Introduce .zprezto.before and .zprezto.after conventions
* If .zprezto.before exists, its .zsh files are sourced before Prezto is initialized
* If .zprezto.after exists, its .zsh files are sourced after Prezto is initialized
* .zprezto.before files are for customizing Prezto such as calling zstyle
* .zprezto.after files are for general ZSH customization outside the scope of Prezto