SEISMICDESIGN-179: GriddedDataFactory Null Handling
SEISMICDESIGN-178: Subscript second character for SS and S1 for all cases in output window
SEISMICDESIGN-189: Edit links for Documentation
Capitalized subscripted S in Ss.
Changed documentation link in summary tabs.
SEISMICDESIGN-187: Convert region-specific red map overlays to layers that can be toggled on/off