Improve SSO resolver (#542)

* Modify the SSO resolver to use the newly created ztf.sso_resolver table

* Typo

* Use exact search when resolving ssnamenr

* Render table

* Update tables display

* Update doc

* Update doc

* Enable integer to be given for SSO search

* Enable integer to be given for SSO search

* Remove unecessary cast from the doc

* Update doc

* Modify resolver tests accordingly

* Update ssocand test with new nomenclature

* substring search for SSO names coupled with new HBase table key of the form <prefix>_<name>_<deduplication>. WARNING: harcoded the number of returned matched to 20.

* Enable exact/inexact search using the argument nmax (no more hardcoding)

* Fix cleaning procedure using the new key format

* Update doc

* Update with new table structure

* Update test suite and documentation

* Fix value type in test