Add comments to gitignore.
Add pentadactyl 'get-plugins' script.
git: Change the alias 'di' (diff) to 'dv'.
git: Swap 'l' and 'll' aliases.
xinit: Encode the root window title with rot13.
shell aliases: Add alias expansion aliases.

- gdb
- watch
- strace
shell aliases: Change 'x', 'cl', and 'cla' aliases to 'z', 'zl', and 'zla' respectively.