Sort CSL by _score, end_date:desc, id.

[#76588424]
Fix encoding issues in EL.

[#76582324]
Makes sdn_type filter case-insensitive.

[#77977628]
Consistent key order in CSL addresses.

[#77977554]
Simpler rspec config.
Merge pull request #2 from GovWizely/calum/cls-sort-and-data-cleanup

CSL sort, EL data cleanup, case-insensitive sdn_type filter, consistent CSL address key ordering.