zsh: Adds alias for Path Finder
vim: several updates

* update pathogen
* adds vim-latex bundle
* updates many bundles
* adds after plugins for filetypes
zsh: changes git alias to function with secret powers.
Reconfigured installation system and zsh scripts
zsh: updates configuration

* generalizes aliases for use in both bash and zsh
* creates new prompt
* allows local configurations
* switches to vim zle mode
* WARNING: disables rvm!
bash: refactoring configuration

* incorporate shared aliases
vim: updates bundles

* bunder
* fugitive
* os x
irb: refactor config