Update some links Launchpad -> Bitbucket.
Start updating files for Bitbucket/Git transition.
Home directory name uddate.
Some style guide updates.
Tiny coding style fix.
Update copyright year.
Some link fixes.
Add some download buttons
Ignore .pyc files.
Update installation instructions.
Update download button to 1.2.0 (fixes #1).
Update links and supported platforms for Dorsal.
Add warning that packages are not up-to-date on Debian.
Update download page.
Publication update.
More download page updates.