Support bz2 orig tarballs

Fairly crude heuristic based on whether the srcurl ends with .bz2
Merge pull request #18 from alext/support_bz2_srcurl

Support bzip2 orig tarballs
[#59908614] Package for Gor

Building from a branch to include a bugfix. Using the same method as vegeta.
[#59908614] Gor elastigo dependency as patch

Because there doesn't appear to be a better way to include these at the
moment. `go get` doesn't work from Launchpad. We don't have support for
multiple tarballs.
[#59908614] Patch gor version

To indicate that we're building from a branch.
Merge pull request #21 from alphagov/59908614-package_gor

[#59908614] Package Gor
Import debian mawk 1.3.3 packaging
Update standards-version and format

Fixes some errors building.
Update version and maintainer.
Remove patches that no longer apply
Rebuild collectd for Lucid

This time using the correct "series" in the changelog.
Spelling
Better link text
Merge pull request #23 from alphagov/mawk_2

Mawk 1.3.4 package for precise
Rename mawk package to mawk-1.3.4

So that it can co-exist with the core package
Update build to install under /opt/mawk
Merge pull request #24 from alphagov/mawk_opt

Rework mawk package so that it installs to /opt/mawk
Polish docs a little

doc/folder_structure.md:
* Be specific about where links are going
* Say what the bare minimum is and what we do on top of it
* .tar.bz2 is now an option

doc/getting_started.md
* Add a 'prerequisites' section
* Link to all useful context for people new to packaging