General_EQSim_Tools assumes section IDs are continuous

[Kevin Milner]

General_EQSim_Tools assumes section IDs are continuous, starting at one. While this can be the case, the EQSim file format allows for section IDs to be skipped (but requires that they still be sorted). This should be fixed.

[Kevin Milner]

Fixed in [10860] and [10861]. Use Map<Integer, Integer> sectionID_indexMap to get the index for a given section ID:

int sectIndex = sectionID_indexMap.get(sectID);