Use new latest/bio-formats5.0 redirects
Install Sphinx using pip instead of apt-get

The Travis build seems to be failing on a bug which has been fixed in
the 1.2.2 version of Sphinx that we currently use in production
Merge pull request #1271 from sbesson/latest_redirect_5.0

Use new latest/bio-formats5.0 redirects
Merge pull request #1262 from rleigh-dundee/jj2000-jdk8-dev50

jj2000: Fix compile on Java 8 (dev_5_0)
merge dev_5_0 -Dorg -Ssuccess-only

Repository: openmicroscopy/bioformats
Updating fe874c2..4a28d34
Previously merged:
  # PR 1262 rleigh-dundee 'jj2000: Fix compile on Java 8 (dev_5_0)'
  # PR 1271 sbesson 'Use new latest/bio-formats5.0 redirects'

Generated by OME-5.0-merge-push#175 (http://ci.openmicroscopy.org/job/OME-5.0-merge-push/175/)