Release 3.5.1

Release v3.5.0

support for dynamic gopath, package, and package path; display packag…

…e as TM noun where appropriate; support for golint + goimports

Cherrypick febf522 from fmccann, plus additional hand merges from the launchpad project

Merge branch 'release/v2.2'

v2.1.1 with gofmt fix plus misc housekeeping fixes

I hate tabs. And I hate RDoc being sensitive to different amounts of …

…whitespace via tabs/spaces. Sigh.