Add more default aliases

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
doc: improve default aliases style

We want to show them as part of the synopsis.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
readome: convert from asciidoc to GitHub's markdown

This way it can be named 'README' and can be used for GitHub Pages.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Revert "test: fix tests with modified README"

This reverts commit 8d651e52ab58ec15ac266b9b57e5f527641ecd26.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>