calcs/hazard/disagg/core:

Fixed an error in IML interpolation, which was affecting the entire
calculation. =O
qa_tests/hazard/disagg/case_1/test:

Fixed a comment typo
qa_tests/hazard/disagg/case_1/_test_data:

Updated expected test data.
Merge pull request #1121 from larsbutler/fix-disagg-interp

Critical fix to disaggregation interpolation

[r=matley] [f=1167245]