updated ctr tagging for unit tests
add, remove lookup Tags for tagging

make service functions and saveChangesToLookupTags function.

Added if statement for demo purposes to show save functionality.
updated tagging cotnroller for add, remove
hooked up functions for add, remove lookup
updated service unit tests
refactored to syncToDataStore on Save
updated tests added save datastore tests

added mock LocalFiles service

added save tests