- Split $PATH declaratios to multiple, shorter lines.
- Settled on a shell function deduce-aws-region that gets the EC2 instance
  region from the 169.254.169.254 and sets AWS_DEFAULT_REGION.

- Added directory to PATH.

  boxes (WIP).
- Removed docker function, replaces by specific sciprts.

- docker clean removes created but not run containers.

  command if specified, otherwise runs the docker executable as normal (kind of
like aliases in git).

- Added function for rudimentary Docker images and containers cleanup.

.bashrc.

- Added a global GOPATH and alias.

- Added $GOPATH/bin to the PATH environment variable.
- A little better removed (but not purged) apt packages alias.