travis: Build with Oracle JDK 8
Merge pull request #1279 from rleigh-dundee/travis-jdk8

travis: Build with Oracle JDK 8
Update auto-generated documentation

Repository: openmicroscopy/bioformats
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Generated by BIOFORMATS-5.1-latest-docs-autogen#128 (http://ci.openmicroscopy.org/job/BIOFORMATS-5.1-latest-docs-autogen/128/)