Some initial edits

This is a big edit. Basically it removes a lot of repetitive content and cleans up some grammar, spelling and structure issues (use US English :)). It's not complete yet but should give a feel for how I'd like it to read. 

I've also wrapped and removed a lot of whitespace.

Docker-DCO-1.1-Signed-off-by: James Turnbull <james@lovedthanlost.net> (github: jamtur01)