Allow Henare to SSH as deploy user too
Ensure redis is clean before we build it

I was getting this error:

    jemalloc/jemalloc.h: No such file or directory
Add some notes about production devops set up
Bump memory for Vagrant box 'local'

This is because with the default 384 MB RAM I couldn't run bundle
install as part of a deploy. 1 GB seems like a good amount to have.
Apache isn't installed any more so these were failing for me
Add a note about fixing provision failure with nginx