Changes

per Jim, remove minScore and numResult parameters for round three ESOR
testing.

add context and unit parameters to ESOR concept lookup

when label is missing, use the local name of the concept

send ESOR parameters via JSON post instead of query string. sort
results by score, descending.

include EML abstract text as context when submitting attribute
information to ESOR service.

use oboe.1.2 namespace

add the d1client connection monitoring property

update tests to refelct newer concept matches

update expected concept return from ESOR service

add handling for new "cosine" service, per-document

add cosine service

add file-based caching for annotations - was taking waaaaay too long to
look them up from the hosting MN each time they were read. cache will
be cleared when the app container (typically tomcat) is restarted.