[trailing_whitespace] This command will delete trailing whitespaces

This script contains a one line command which will recursively
scan every file and directory from the current directory and remove
any trailing whitespaces from files.

The command isn't completely refined yet and has its own quirks.

** DO NOT RUN IT ON THE ROOT OF ANY GIT PROJECT **
It is recursively enter your .git/ directory and corrupt the git
database. It happened with me and screwed over my entire project.