Convert tolerance to NonNegativeInt to NonNegativeFloat
Add non negative float to schema.
Merge pull request #1425 from jburel/tolerance

Convert tolerance to NonNegativeInt to NonNegativeFloat
Update auto-generated documentation

Repository: openmicroscopy/bioformats
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Generated by BIOFORMATS-5.1-latest-docs-autogen#204 (http://ci.openmicroscopy.org/job/BIOFORMATS-5.1-latest-docs-autogen/204/)