WIP: Startdate and beamline are now virtual fields in the parcel model. It fixes Issue 197

.env.test changes to:

#####
# APP CONFIGURATION
# Copy and configure the variables below in your own `.env.test.local` file
# See ICAT+ configuration file (app/config/server.config.example.js) for a description of the parameters
#####

LOGBOOK_API_KEY=

# URL of the Mongo DB used for the tests. Leave blank if using MongoUnit.
MONGO_DB_URL=

# URL of the elastic search server (default port is 9200)
ELASTIC_SEARCH_SERVER=

# Logging level (default is error)
LOGGING_LEVEL=

ICAT_SERVER_URL=
ICAT_SERVER_PORT=

ICAT_ADMIN_USERNAME=
ICAT_ADMIN_PASSWORD=

ICAT_MINTING_USERNAME=
ICAT_MINTING_PASSWORD=

ICAT_LISTREADER_USERNAME=
ICAT_LISTREADER_PASSWORD=

ICAT_NOTIFIER_USERNAME=
ICAT_NOTIFIER_PASSWORD=

ICAT_INVESTIGATIONS_READER_USERNAME=
ICAT_INVESTIGATIONS_READER_PASSWORD=

ICAT_ANONYMOUS_USERNAME=
ICAT_ANONYMOUS_PASSWORD=

ELASTIC_SEARCH_SERVER=

ICAT_NOTIFIER issue can be user for ICAT_INVESTIGATIONS_READER_USERNAME, ICAT_INVESTIGATIONS_READER_PASSWORD