licence details added to each source file
change 'library' to source code' in licence blurb
pathway has a uri
Added Classification of Compounds for Target
add new api call for targets to README
drugbankURI no longer expected in compound info
Merge branch 'Elblood-patch-1' into develop

Conflicts:
	src/ChebiSearch.js
change activity calls to match api spec
add tests for activities
combined file with target and activity changes