fixed to unzips gzip file
replaced tabs with spaces
Merge pull request #54 from jdbrown-USGS/EQH-2932

merged.
Fix moment-tensor event-time property name and summary data type
Merge pull request #55 from jmfee-usgs/fix-derived-origin-eventtime

Fix derived-eventtime moment-tensor property summarization
Updated changelog for v1.0.17.