Preparation for test-friendly configuration loading in java server code.
Merge branch 'dev' of https://github.com/msneddon/narrative_method_store into dev
added basic test rig, need to implement
test can startup test server
NarrativeMethodData code now loads spec.json and checks for separate
html-files for most of top-level text properties from display.yaml file.
Merge branch 'dev' of https://github.com/msneddon/narrative_method_store into dev
added working test file, need more tests
allowed automatic removal of temp dir after tests
updated tests, fixed small bug