Add normalizeStopTimes flag to RDBMS snapshots preserve stop_sequence vals

[landonreed]

Checklist

• Appropriate branch selected (all PRs must first be merged to dev before they can be merged to master)
• Any modified or new methods or classes have helpful JavaDoc and code is thoroughly commented
• The description lists all applicable issues this PR seeks to resolve
• The description lists any configuration setting(s) that differ from the default settings
• All tests and CI builds passing

Description

re #283

[codecov-io]

Codecov Report

Merging #285 into dev will decrease coverage by 0.00%.
The diff coverage is 71.42%.

@@             Coverage Diff              @@
##                dev     #285      +/-   ##
============================================
- Coverage     65.35%   65.35%   -0.01%     
- Complexity      880      881       +1     
============================================
  Files           135      135              
  Lines          6743     6745       +2     
  Branches        794      794              
============================================
+ Hits           4407     4408       +1     
  Misses         2037     2037              
- Partials        299      300       +1     

Impacted Files	Coverage Δ	Complexity Δ
src/main/java/com/conveyal/gtfs/GTFS.java	55.26% <33.33%> (-0.30%)	12.00 <1.00> (ø)
.../com/conveyal/gtfs/loader/JdbcGtfsSnapshotter.java	82.44% <100.00%> (+0.09%)	27.00 <1.00> (ø)
src/main/java/com/conveyal/gtfs/loader/Table.java	85.18% <100.00%> (ø)	74.00 <0.00> (+1.00)
src/main/java/com/conveyal/gtfs/PatternFinder.java	85.22% <0.00%> (ø)	20.00% <0.00%> (ø%)

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[binh-dam-ibigroup]

For this test and the one just below, I kinda want to write if (!assert...()) return false.

[binh-dam-ibigroup]

Please add a missing JavaDoc and rename some variables inside GTFSTest.java. Thanks!

[binh-dam-ibigroup]

Thanks for the changes.

[landonreed]

🎉 This PR is included in version 6.0.2 🎉

The release is available on GitHub release

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