arrays.6.query.sqlpp

[ASTERIXDB-2516][RT] array deep comparison (ordering)
- user model changes: no
- storage format changes: no
- interface changes: no

Details:
Add support for physical array deep comparison.
- Refactored and renamed AObjectAscBinaryComparatorFactory/AObjectDescBinaryComparatorFactory
- Refactored AGenericDescBinaryComparator and AGenericAscBinaryComparator
- Added test cases

Change-Id: Ib369a4dd22f32bfca4bd2c0cbf987529c0bafa6d
Reviewed-on: https://asterix-gerrit.ics.uci.edu/3233
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Contrib: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Till Westmann <tillw@apache.org>