Clear PATH.
Add custom colors support for ls utility.

~/.dircolors config file to work with solarized theme.
~/.bashrc loads custom .dircolors if it's available.
Clean up ~/.vimrc file.
Set solarized theme for Vim.

~/.vimrc
~/.vim/colors/solarized.vim
Add shipsbells.sh script.
Add files and directories to ~/.gitignore.