initial wiring for edit and delete functionality
filling out methods for remove & update endpoints
tests all running for edit and delete
bolster tests for retrieval of data from mongo

exclude those that are flagged for deletion
formatting
add sundial and remove moment
reformat the setting of the delete flag

allows us in the future to still find deleted message by setting the
deleteflag range in the query
pass start and end date as part of options object
pass options on getMessage

will allow us to bring back deleted messages
Merge pull request #23 from tidepool-org/jhbate/edit-delete

Jhbate/edit delete