The arguments to install the development branch is incorrect, since
the -e option needs a directory to look for setup.py in.
Change-Id: Icfe402e7b79a50ddc885c7eadb6c323c27e36ef3
OSC was missing developer docs, these are critically helpful for
new developers. Add sections related to running tests (tox,
functional and with the debugger), and generating docs locally.
implements bp: developer-documentation
Change-Id: I428d89c3e5fc335864bc4f7843506043ec332fe5
