Refactor "Make Matches" Button

[ezronis]

• Refactor “make matches” an admin action
• Admin hits “make matches” action from dropdown
• Make matches action will read existing matches (if any) from matches table and save user ids of existing matches
• When reading surveys from /survey/json/1, remove any surveys of users that were manually matched using user ids saved in step 5
• Post to ml api, save results in table
• Replacing existing matches in the match table if “make matches” button is triggered multiple times (dependent on manual match field update in the model)