Reformat jsonb tests for terseness
Additional reformatting
Typo fix
Add failing test cases where applicable
Add error tests for jsonb_extract_path on scalars
Add jsonb equality/inequality tests
Add basic scan tests
Fix expected output
Fix existing scan tests; add gin
Add jsonb_each and sort/hash tests
Remove hstore tests ported to jsonb
Move remaining jsonb.data tests
Merge branch 'jsonb-test-fixes' into jsonb_and_hstore

Adds some regression tests previously in hstore2 to core's jsonb
datatype.
Fix hash gin opclass in tests