remove explicit vcr cassette name from integration no_body_spec so multiple specs in same file will work
pluralize method names for load_targets and load_bodies in ldp_loader
add integration spec for target(s) with external URIs
refactor AnnotationLdp for load_statements_into_graph (was load_data_into_graph expecting turtle as a string);  refactor LdpLoader a bit
simplify require spec_helper statement
add integration specs for body as blank node with contentAsText
Merge pull request #75 from sul-dlss/load-mult-bodies-targets

can load multiple bodies and targets