Refactor setup script from Rakefile to pure shell.
Impl basic setup script.
Check & skip existing files.
Support ext modules.
Ingore some files.
Support pre module action script.
Create vim module & add post install action.
Categorise config into modules.
Terminfo for colorful man.
Add util for action script.
Add module term_multiplexer.
Module code_search.
Module shell.
Delete vim chinese docs.
2 spaces indent in shell script.
Module dircolors.
Uninstall support.
Uninstall action for dircolors & vim.
Delete legacy vim docs.
Rename setup.sh to script.sh