[Emacs] rename emacs.d/site-lisp => emacs.d/lisp
[Zsh] rename zsh/site-functions zsh/functions
[Zsh] introduce site-zshenv/site-zshrc loading mechanism
[IPython] introduce ipython
[Git] change SourceTree installed path
[Zsh] use official python3.2 on Mac OS X
[Zsh] fix grep warning on zsh initialization
[Zsh] Introduce Homebrew

Homebrew is not installed to /opt and can't work with MacPorts.
[Emacs] create classical black background, green characters color theme.

Introduce custom theme package bundled from Emacs 24.
[Emacs] create the theme lighter than default theme.
[Emacs] delete face customization file.

For the future, use custom theme only.
[Emacs] fix byte compile error.
[Emacs] fix windows-c-style indentation.
[Emacs] simplify linum-format
[Emacs] add input method configuration to ntemacs
[Emacs] fix bug about drawing on cocoa emacs.
[Emacs] stop automatic byte compile for .el files.
[Emacs] change elpa/package.el to package.el built in emacs 24.
[Emacs] configure to install package not installed at startup automatically.
update gitignore