Readjust to facilitate preseeding pillar with OAuth credentials
	modified:   gdata_oerp_pump/srv/pillar/gdata_oerp_pump/init.sls.example
	modified:   gdata_oerp_pump/srv/salt/gdata_oerp_pump/init.sls
	new file:   gdata_oerp_pump/srv/salt/gspread/client-secret.json
	modified:   gdata_oerp_pump/srv/salt/gspread/init.sls
	modified:   gdata_oerp_pump/srv/salt/gspread/tests.config