Updated fetch templates for capabilities that support multiple versions to reuse rawdata directories

Added email notification to ws_annihilator on failed removal

See merge request !1616

Also refactored other tests,
 and broke out Annihilator URLs into class members

Using psycopg2-binary for annihilator

See merge request !1615

Calibration and image annihilation

See merge request !1609

fix email endpoint to stop throwing json errors when 'metadata' section not in args

See merge request !1612

found and fixed two types of common message handling errors

See merge request !1611

fix target handling for partial curation

See merge request !1610

found and fixed two types of common message handling errors from when workflows are not attached to capability requests

Renaming restore imaging enum to allow restores to use the name later, also not doing restore cleanup now because the query won't be right

Slapping a distinct on the images' associated calibrations due to failed versions returning multiple results