Improved the way we display the executed installer command
minor #88 Improved the way we display the executed installer command (javiereguiluz)

This PR was squashed before being merged into the 1.0-dev branch (closes #88).

Discussion
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Improved the way we display the executed installer command

This PR tries to solve #80 for the most used case.  Around 80% of users use Linux or Mac and most of them will install the installer in `/usr/local/bin/`, so we can easily improve commands' output.

Commits
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576b71d Improved the way we display the executed installer command
add missing header comment and update doblocks
minor #91 add missing header comment and update doblocks (xabbuh)

This PR was merged into the 1.0-dev branch.

Discussion
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add missing header comment and update doblocks

Commits
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8868e2e add missing header comment and update doblocks
test dependencies
[WIP] unit tests
fix distill dependency version