Leif Madsen f235fe5106
Use oslosphinx when not building on read-the-docs
By default, we'll use the OpenStack documentation theme (oslosphinx) when
building anywhere but on the read-the-docs site. If we're building on RTD then
we'll use their preferred theme.

Change-Id: I58369177160d8685f0de8382132bc2320928b376
2017-01-31 14:03:40 -05:00
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