Collapse install instructions into single line

For maximum copy and paste happiness

Signed-off-by: Ben Firshman <ben@firshman.co.uk>
Merge pull request #420 from bfirsh/inline-installation-commands

Collapse install instructions into single line
Python3 wip.
Some test fixes for py3.
Fix mock import .
Fix the last of the unit tests.
Fix more python3 compatibility.
Resolve last broken integration test.
Fix the build req-dev.