Adding changes from my local history
N-Triples positive and negative syntax tests
N-Triples uses .nt extension, not .ttl
Fix bad filename
Fix reference to submission test
Fixed empty number tests and made datatypes test use absolute IRIs.
Added negative tests for relative IRIs
Added negative tests for relative IRIs in all positions
Fix relative IRIs used in datatype tests
Fix missing negative numbers tests
merge because of hg issue
Mark all N-Triples tests as also being N-Quads tests.
Updated various EARL reports
Add more N-Triples tests copied from Turtle.
Fix some NT test references.
Change some times in N-Triples manifest.
Fixed and normalized N-Triples literal tests

--HG--
rename : rdf-turtle/tests-nt/LITERAL1.nt => rdf-turtle/tests-nt/LITERAL.nt
rename : rdf-turtle/tests-nt/LITERAL1_all_controls.nt => rdf-turtle/tests-nt/LITERAL_all_controls.nt
rename : rdf-turtle/tests-nt/LITERAL1_all_punctuation.nt => rdf-turtle/tests-nt/LITERAL_all_punctuation.nt
rename : rdf-turtle/tests-nt/LITERAL1_ascii_boundaries.nt => rdf-turtle/tests-nt/LITERAL_ascii_boundaries.nt
rename : rdf-turtle/tests-nt/LITERAL_LONG2_with_2_squotes.nt => rdf-turtle/tests-nt/LITERAL_with_2_dquotes.nt
rename : rdf-turtle/tests-nt/LITERAL_LONG1_with_2_squotes.nt => rdf-turtle/tests-nt/LITERAL_with_2_squotes.nt
rename : rdf-turtle/tests-nt/LITERAL_LONG2_with_1_squote.nt => rdf-turtle/tests-nt/LITERAL_with_dquote.nt
rename : rdf-turtle/tests-nt/LITERAL_LONG1_with_1_squote.nt => rdf-turtle/tests-nt/LITERAL_with_squote.nt
rename : rdf-turtle/tests-nt/langtagged_LONG_with_subtag.nt => rdf-turtle/tests-nt/lantag_with_subtag.nt
Test LITERAL_with_dquote - syntax error in manifest
Rename LITERAL_LONG2_with_REVERSE_SOLIDUS.nt as LITERAL_with_REVERSE_SOLIDUS.nt to match manifest
Test LITERAL_with_dquote - syntax error in manifest