Moves all M&S stuff into marks-and-spencer project

And removes mns-django, but replicates the content in the new
marks-and-spencer project.
Creates balloon-studios project

For all our company stuff
Removes autossh from general development project

As it was causing an error when the marks-and-spencer project pulled it
in again
Updates manifests to include new projects

Apologies in advance if updating another person’s manifest is Not Good
Form — was trying to be helpful.
Merge pull request #2 from balloon-studios/mands-consolidation

Consolidation and new projects