Microsite, micrositetag, and sourcecodetag redirects [MJ-533]
Improve tests [MJ-533]

Add test docs
Fix issue where a RedirectAction instance does not exist for a given guid/vsid
Add tests for requests with no/nonexistent vsid
Merge branch 'master' into microsite_passthrough_actions
More documentation, remove passthrough action, PEP 8 [MJ-533]
Merge pull request #3 from DirectEmployers/microsite_passthrough_actions

Microsite passthrough actions [MJ-525]