This patch is improving the .gitignore files to not track things like:
Python compiled code, Python eggs, VIM swap/backup files, etc...
Change-Id: I2b82d0a54c2584f5a5f7e8792ea8c71aaba48183
Rearranged Sphinx.
Put project under PBR control.
Added tox file.
Added .testr.conf file in anticipation of testr testing.
Change-Id: I55180a6a3d224816c82999bf66156c7874786b17