Switch over to oslosphinx

oslosphinx is the new name of oslo.sphinx

Closes-Bug: #1277168
Change-Id: Ib30a4a5eb3a86ad5c03324a59e1a8ee4d4897a70
Updated from global requirements

Change-Id: I84bf7d09746829a35e71a208abe2e3bfb70208d0
Merge "Updated from global requirements"
Imported Translations from Transifex

Change-Id: I639b951c583c008b9784e1ea89cc3cda205086a2
Merge "Switch over to oslosphinx"
(Test commit) Change README to reflect Jio's fork of Cinder

Change-Id: I3f26c0a736e63725aec24ca2fa12c707b8e6460f