add tags_json column
save data in bookmarks.tags_json
save data in contacts.tags_json
save data in notes.tags_json
save data in tasks.tags_json
fixed: tags_json is saved as object instead of array
do not query database for the list of tags
removed unnecessary mysqli param from ViewPage.create functions
removed unused functions
script to recalculate tags_json
enclose phone1 and phone2 in quotes