upto 75% test coverage now ... need to hit controllers next
UPDATED reorganising the unit tests into several files.
split activity-analysis tests between models
UPDATED layout of the unit tests.
UPDATED working angular chart controller unit test.
ADDED the activity analysis controller unit test.
UPDATED wrote the test that covers the controller .
UPDATED fixed the version of a client side library.
UPDATED writing more tests and adding details to the npm package json.
Merge branch 'more-tests-issue-13'