Update README.md

More environment variable settings
cleanup update analysis
move select2 util functions to own service
Merge branch 'develop' of github.com:drugis/addis-core into develop

Conflicts:
	README.md
add interventions ( back-end)
setup to save interventions ( locking problem)
add version an debug watch
fix double posting due to watch
fix failing unit test due to old sql test data
fix failing karma tests
Merge branch 'develop' of github.com:ConnorStroomberg/addis-core into develop

Conflicts:
	src/main/java/org/drugis/addis/analyses/Analysis.java
	src/test/java/org/drugis/addis/analyses/AnalysisRepositoryTest.java
Add study query to trialverse API