If a hashtag is deleted by a user, then overwrite that data with null
If a hashtag is deleted by a user, then overwrite that data with null
Added TODO for using 'g' flag to search entire string
Refactored hashtag menu directive into hashtag folder and module
Refactored hashtag directive in hashtag module
Completed refactor of hashtag service and directives into separate file & module
Added support for multiple hashtags in same note
Completed MVP of autocomplete field that highlights matching notes