Fixing rewrites by changing action to hook into#19

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kevinlangleyjr wants to merge 2 commits intovoceconnect:masterfrom

humanmade:master

Commits on Feb 7, 2018

Using `update_option_{option}` action instead of `delete_option_…` as the delete_option is not fired when flushing the rewrite rules.
smccafferty
committed
Merge branch 'correct_addition__of_rewrites'
smccafferty
committed