.gitconfig: Do not use word diff
.gitconfig: Do not always use colors
.vimrc: Always use modelines even when the user is root
.tmux.conf: Wrap name of pane, window, and server in quotes
.tmux.conf: Add shortcut to refresh the screen
.tmux.conf: Use single quotes instead of double quotes
.tmux.conf: Disable mouse functionality
.zshrc: Load zsh-syntax-highlighting
.zshrc: Install zsh-syntax-highlighting automatically
.zshrc: Remove redundant double quotes in conditional expressions
.zshrc: Remove redundant dollar signs in arithmetic expressions
tmx: Hide mirrored sessions in the session list
tmx: Use shorter names for mirrored sessions
tmx: Use even shorter session names based on random number generator
tmx: Try again if the generated session name is already in use
tmx: Use "exec" to replace the shell
.gitconfig: Add more aliases