Replace occurences of the word hypocenter with the word origin.
Update css selector to match new hash generated value.
Update tests to match changes to hypocenter page.
Update links on summary page to point towards #scientific_origin
.
Changed header NSCL to Channel
Merge pull request #77 from jdbrown-USGS/EQH-2820

Changed header NSCL to Channel
added OMB#, experation date, and disclaimer link to DYFI form/ created style for these as well
changed disclaimer class to dyfi-disclaimer on both the DYFIFormPage.js and DYFIFormPage.scss