Merge remote-tracking branch 'remote-jiwalker/CCH-11' into CCHS-12
Merge remote-tracking branch 'remote-canonical/master' into CCHS-12
- Serialize Bias and Bias Uncertainty to tab position 4 and 5
- Support legacy intersect files by defaulting to 0 for 
- bias/uncertainty. Temorarily removed test files until we get new
files.
Merge pull request #899 from thongsav-usgs/CCHS-12

Updates to Intersection/Bias code