import messages
only show download button for import mapping file in view mode
only show download button for data file in view mode
converted to use opencsv for the best csv import
only need to override doSave, no handleSaveEvent
consistency in how mapping file is parsed
added support for navigating log detail list
importDefinition msgs
rearranging, still more to do
worked on include of importLogDetails
instrType is a required field

added conditional validation depending upon whether user sets flags that
a type of entity must exist or not
convert to use opencsv CSVReading when parsing data file

still actively developing, ran into issues with importing Sensory
Profile Child data as a test case, so this is a work in progress getting
the bugs out

improved handling of out of range dates

not requiring a number of Visit fields since they typically will not be
in a data file and may not be correct to configure a shared value in
import definition assigned for all Visits created

added implementation of Caregiver handling /import

updated main TODO list
temp. removing flag to allow instrument updates. first just focus on
importing new data, not overwriting existing data
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