Revert "- Updated benchmarks to use configuration files. - Made input benchmark independent of output benchmark. - Updated Output operator to not throw a RuntimeException if the Operation Mode is Exactly once. - Updated tests for input operator so that a separate store is used to populate and read from the database. - Updated the input and output operators to have a store set on them by default."

This reverts commit 49c86eae0430b61592b2418483adea63a0a8111e.
Revert "Revert "- Updated benchmarks to use configuration files. - Made input benchmark independent of output benchmark. - Updated Output operator to not throw a RuntimeException if the Operation Mode is Exactly once. - Updated tests for input operator so that a separate store is used to populate and read from the database. - Updated the input and output operators to have a store set on them by default.""

This reverts commit d561fd127eabeaaac04bf3e910cd79f3218401ca.