vim: Speed up Visual->Normal transition time
tmux: Add mouse support
zsh: Update oh-my-zsh to latest
iTerm2: Increase tab-bar appearance delay
vimrc: Fugitive <Leader>gS mapping

map <Leader>gS to show git status and close all other windows.
vim: CtrlP leader mappings
vimrc: Fugitive <Leader>gs mapping update

This mapping now not only opens a git status view, it also sends it's
window to the top, above all others.

This is useful when invoking :Gstatus in a split-view situation (for
example when viewing a diff).
zsh: tmuxinator plugin
vim: Use ripper-tags with CtrlP
vim: Rename folder with .symlink suffix

This way a ~/.vim folder is created by the Rakefile.
vim: create symlink vim->vim.symlink

This is to preserve submodule configuration paths which look for vim's
submodule in the vim/ directory.
Add tmuxinator dir with initial config
zsh: zshenv updates

- Don't rely on OS type.
- Zshenv now checks whether each path modification is relevant.
- Prevent duplicate entries in path.
- Make sure default RVM configuration is loaded.
tmuxinator: Update basic configs