Fix Days.daysBetween int overflow

[TuanNguyen27]

Days.daysBetween(datetime_1, datetime_2) could throw java.lang.ArithmeticException: Value cannot fit in an int: if the duration between two dates in milliseconds cannot fit a 32-bit int representation. See related Stack Overflow issue here

Describe the proposed solution Switch to using joda's Duration.

Describe alternatives you've considered N/A

Additional context N/A

[gerashegalov]

please add a real PR description

[codecov[bot]]

Codecov Report

:exclamation: No coverage uploaded for pull request base (master@275824f). Click here to learn what that means. The diff coverage is 100.00%.

@@            Coverage Diff            @@
##             master     #471   +/-   ##
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  Coverage          ?   86.99%           
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  Files             ?      345           
  Lines             ?    11622           
  Branches          ?      609           
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  Hits              ?    10110           
  Misses            ?     1512           
  Partials          ?        0           

Impacted Files	Coverage Δ
...ce/op/stages/impl/feature/DateListVectorizer.scala	98.01% <100.00%> (ø)
...force/op/stages/impl/feature/OPMapVectorizer.scala	97.81% <100.00%> (ø)
...a/com/salesforce/op/utils/date/DateTimeUtils.scala	100.00% <100.00%> (ø)
...stages/impl/feature/GeolocationMapVectorizer.scala	100.00% <0.00%> (ø)
.../scala/com/salesforce/op/testkit/DataSources.scala	92.00% <0.00%> (ø)
...ml/jackson/module/scala/OpDefaultScalaModule.scala	100.00% <0.00%> (ø)
...p/stages/impl/feature/SmartTextMapVectorizer.scala	100.00% <0.00%> (ø)
...main/scala/com/salesforce/op/dsl/RichFeature.scala	100.00% <0.00%> (ø)
...com/salesforce/op/testkit/StandardRandomData.scala	100.00% <0.00%> (ø)
...esforce/op/utils/spark/OpVectorColumnHistory.scala	0.00% <0.00%> (ø)
... and 338 more

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