#1826 - CombinedComparator is created. Added builders for comparators.

[uladkaminski]

Generic request

• [x] PR name follows the pattern #1234 – issue name
• [x] branch name does not contain '#'
• [x] base branch (master or release/xx) is correct
• [x] PR is linked with the issue
• [ ] task status changed to "Code review"
• [ ] code follows product standards
• [ ] regression tests updated
• [ ] unit-tests written

Accumulative effect of several sorted methods invocation is removed. For multiple sorting CombinedComparator is implemented. For all IndigoComparators there are builders implementations.

Added unit tests for the comparators.

the changes is for #1826