deep merge function added to util library. Tests added that demonstrate that this function operates as expected
util_spec added to test_main
recepection_app data updated in accordance with template updates in app. Reception app tests updated accordingly
adjustment to json templater test
json templater minor change
manifest_reader_model updated so that it uses deepMerge that correctly merges recursively
update to reception_app_spec such that it tests for the presence of a 'donor_id' parameter (as well as 'lysed')
Merge pull request #257 from david-allen-tessella/templating_fix

Templating fix